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AI Agents vs. Agentic AI: A Conceptual Taxonomy, Applications and Challenges Ranjan Sapkota∗‡, Konstantinos I. Roumeliotis †, Manoj Karkee ∗‡ ∗Cornell University, Department of Biological and Environmental Engineering, USA †University of the Peloponnese, Department of Informatics and Telecommunications, Tripoli, Greece ‡Corresponding authors: [email protected], [email protected] Abstract—This review critically distinguishes between AI Agents and Agentic AI, offering a structured conceptual tax- onomy, application mapping, and challenge analysis to clarify their divergent design philosophies and capabilities. We begin by outlining the search strategy and foundational definitions, charac- terizing AI Agents as modular systems driven by LLMs and LIMs for narrow, task-specific automation. Generative AI is positioned as a precursor, with AI agents advancing through tool integration, prompt engineering, and reasoning enhancements. In contrast, agentic AI systems represent a paradigmatic shift marked by multi-agent collaboration, dynamic task decomposition, persis- tent memory, and orchestrated autonomy. Through a sequential evaluation of architectural evolution, operational mechanisms, interaction styles, and autonomy levels, we present a compara- tive analysis across both paradigms. Application domains such as customer support, scheduling, and data summarization are contrasted with Agentic AI deployments in research automa- tion, robotic coordination, and medical decision support. We further examine unique challenges in each paradigm including hallucination, brittleness, emergent behavior, and coordination failure and propose targeted solutions such as ReAct loops, RAG, orchestration layers, and causal modeling. This work aims to provide a definitive roadmap for developing robust, scalable, and explainable AI-driven systems. Index Terms—AI Agents, Agentic AI, Autonomy, Reasoning, Context Awareness, Multi-Agent Systems, Conceptual Taxonomy, vision-language model Nov 2022 Nov 2023 Nov 2024 2025 AI Agents Agentic AI Source: Fig. 1: Global Google search trends showing rising interest in “AI Agents” and “Agentic AI” since November 2022 (ChatGPT Era). I. I NTRODUCTION Prior to the widespread adoption of AI agents and agentic AI around 2022 (Before ChatGPT Era), the development of autonomous and intelligent agents was deeply rooted in foundational paradigms of artificial intelligence, particularly multi-agent systems (MAS) and expert systems, which em- phasized social action and distributed intelligence [1], [2]. Notably, Castelfranchi [3] laid critical groundwork by intro- ducing ontological categories for social action, structure, and mind, arguing that sociality emerges from individual agents’ actions and cognitive processes in a shared environment, with concepts like goal delegation and adoption forming the basis for cooperation and organizational behavior. Similarly, Ferber [4] provided a comprehensive framework for MAS, defining agents as entities with autonomy, perception, and communication capabilities, and highlighting their applica- tions in distributed problem-solving, collective robotics, and synthetic world simulations. These early works established that individual social actions and cognitive architectures are fundamental to modeling collective phenomena, setting the stage for modern AI agents. This paper builds on these insights to explore how social action modeling, as proposed in [3], [4], informs the design of AI agents capable of complex, socially intelligent interactions in dynamic environments. These systems were designed to perform specific tasks with predefined rules, limited autonomy, and minimal adaptability to dynamic environments. Agent-like systems were primarily reactive or deliberative, relying on symbolic reasoning, rule- based logic, or scripted behaviors rather than the learning- driven, context-aware capabilities of modern AI agents [5], [6]. For instance, expert systems used knowledge bases and infer- ence engines to emulate human decision-making in domains like medical diagnosis (e.g., MYCIN [7]). Reactive agents, such as those in robotics, followed sense-act cycles based on hardcoded rules, as seen in early autonomous vehicles like the Stanford Cart [8]. Multi-agent systems facilitated coordina- tion among distributed entities, exemplified by auction-based resource allocation in supply chain management [9], [10]. Scripted AI in video games, like NPC behaviors in early RPGs, used predefined decision trees [11]. Furthermore, BDI (Belief- Desire-Intention) architectures enabled goal-directed behavior in software agents, such as those in air traffic control simu- lations [12], [13]. These early systems lacked the generative capacity, self-learning, and environmental adaptability of mod- ern agentic AI, which leverages deep learning, reinforcement learning, and large-scale data [14]. Recent public and academic interest in AI Agents and Agen- tic AI reflects this broader transition in system capabilities. As illustrated in Figure 1, Google Trends data demonstrates a significant rise in global search interest for both terms arXiv:2505.10468v3 [cs.AI] 20 May 2025
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following the emergence of large-scale generative models in late 2022. This shift is closely tied to the evolution of agent design from the pre-2022 era, where AI agents operated in constrained, rule-based environments, to the post-ChatGPT period marked by learning-driven, flexible architectures [15]– [17]. These newer systems enable agents to refine their perfor- mance over time and interact autonomously with unstructured, dynamic inputs [18]–[20]. For instance, while pre-modern expert systems required manual updates to static knowledge bases, modern agents leverage emergent neural behaviors to generalize across tasks [17]. The rise in trend activity reflects increasing recognition of these differences. Moreover, applications are no longer confined to narrow domains like simulations or logistics, but now extend to open-world settings demanding real-time reasoning and adaptive control. This mo- mentum, as visualized in Figure 1, underscores the significance of recent architectural advances in scaling autonomous agents for real-world deployment. The release of ChatGPT in November 2022 marked a pivotal inflection point in the development and public perception of artificial intelligence, catalyzing a global surge in adoption, investment, and research activity [21]. In the wake of this breakthrough, the AI landscape underwent a rapid transforma- tion, shifting from the use of standalone LLMs toward more autonomous, task-oriented frameworks [22]. This evolution progressed through two major post-generative phases: AI Agents and Agentic AI. Initially, the widespread success of ChatGPT popularized Generative Agents, which are LLM- based systems designed to produce novel outputs such as text, images, and code from user prompts [23], [24]. These agents were quickly adopted across applications ranging from con- versational assistants (e.g., GitHub Copilot [25]) and content- generation platforms (e.g., Jasper [26]) to creative tools (e.g., Midjourney [27]), revolutionizing domains like digital design, marketing, and software prototyping throughout 2023. Although the term AI agent was first introduced in 1998 [3], it has since evolved significantly with the rise of generative AI. Building upon this generative founda- tion, a new class of systems—commonly referred to as AI agents—has emerged. These agents enhanced LLMs with capabilities for external tool use, function calling, and se- quential reasoning, enabling them to retrieve real-time in- formation and execute multi-step workflows autonomously [28], [29]. Frameworks such as AutoGPT [30] and BabyAGI (https://github.com/yoheinakajima/babyagi) exemplified this transition, showcasing how LLMs could be embedded within feedback loops to dynamically plan, act, and adapt in goal- driven environments [31], [32]. By late 2023, the field had advanced further into the realm of Agentic AI complex, multi- agent systems in which specialized agents collaboratively decompose goals, communicate, and coordinate toward shared objectives. In line with this evolution, Google introduced the Agent-to-Agent (A2A) protocol in 2025 [33], a proposed standard designed to enable seamless interoperability among agents across different frameworks and vendors. The protocol is built around five core principles: embracing agentic capabil- ities, building on existing standards, securing interactions by default, supporting long-running tasks, and ensuring modality agnosticism. These guidelines aim to lay the groundwork for a responsive, scalable agentic infrastructure. Architectures such as CrewAI demonstrate how these agen- tic frameworks can orchestrate decision-making across dis- tributed roles, facilitating intelligent behavior in high-stakes applications including autonomous robotics, logistics manage- ment, and adaptive decision-support [34]–[37]. As the field progresses from Generative Agents toward increasingly autonomous systems, it becomes critically impor- tant to delineate the technological and conceptual boundaries between AI Agents and Agentic AI. While both paradigms build upon large LLMs and extend the capabilities of gener- ative systems, they embody fundamentally different architec- tures, interaction models, and levels of autonomy. AI Agents are typically designed as single-entity systems that perform goal-directed tasks by invoking external tools, applying se- quential reasoning, and integrating real-time information to complete well-defined functions [17], [38]. In contrast, Agen- tic AI systems are composed of multiple, specialized agents that coordinate, communicate, and dynamically allocate sub- tasks within a broader workflow [14], [39]. This architec- tural distinction underpins profound differences in scalability, adaptability, and application scope. Understanding and formalizing the taxonomy between these two paradigms (AI Agents and Agentic AI) is scientifically significant for several reasons. First, it enables more precise system design by aligning computational frameworks with problem complexity ensuring that AI Agents are deployed for modular, tool-assisted tasks, while Agentic AI is reserved for orchestrated multi-agent operations. Moreover, it allows for appropriate benchmarking and evaluation: performance metrics, safety protocols, and resource requirements differ markedly between individual-task agents and distributed agent systems. Additionally, clear taxonomy reduces development inefficiencies by preventing the misapplication of design prin- ciples such as assuming inter-agent collaboration in a system architected for single-agent execution. Without this clarity, practitioners risk both under-engineering complex scenarios that require agentic coordination and over-engineering simple applications that could be solved with a single AI Agent. Since the field of artificial intelligence has seen significant advancements, particularly in the development of AI Agents and Agentic AI. These terms, while related, refer to distinct concepts with different capabilities and applications. This article aims to clarify the differences between AI Agents and Agentic AI, providing researchers with a foundational under- standing of these technologies. The objective of this study is to formalize the distinctions, establish a shared vocabulary, and provide a structured taxonomy between AI Agents and Agentic AI that informs the next generation of intelligent agent design across academic and industrial domains, as illustrated in Figure 2. This review provides a comprehensive conceptual and archi- tectural analysis of the progression from traditional AI Agents
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AI Agents & Agentic AI Architecture Mechanisms Scope/ Complexity Interaction Autonomy Fig. 2: Mind map of Research Questions relevant to AI Agents and Agentic AI. Each color-coded branch represents a key dimension of comparison: Architecture, Mechanisms, Scope/Complexity, Interaction, and Autonomy. to emergent Agentic AI systems. Rather than organizing the study around formal research questions, we adopt a sequential, layered structure that mirrors the historical and technical evolution of these paradigms. Beginning with a detailed de- scription of our search strategy and selection criteria, we first establish the foundational understanding of AI Agents by analyzing their defining attributes, such as autonomy, reac- tivity, and tool-based execution. We then explore the critical role of foundational models specifically LLMs and Large Image Models (LIMs) which serve as the core reasoning and perceptual substrates that drive agentic behavior. Subsequent sections examine how generative AI systems have served as precursors to more dynamic, interactive agents, setting the stage for the emergence of Agentic AI. Through this lens, we trace the conceptual leap from isolated, single-agent systems to orchestrated multi-agent architectures, highlight- ing their structural distinctions, coordination strategies, and collaborative mechanisms. We further map the architectural evolution by dissecting the core system components of both AI Agents and Agentic AI, offering comparative insights into their planning, memory, orchestration, and execution layers. Building upon this foundation, we review application domains spanning customer support, healthcare, research automation, and robotics, categorizing real-world deployments by system capabilities and coordination complexity. We then assess key challenges faced by both paradigms including hallucination, limited reasoning depth, causality deficits, scalability issues, and governance risks. To address these limitations, we outline emerging solutions such as retrieval-augmented generation, tool-based reasoning, memory architectures, and simulation- based planning. The review culminates in a forward-looking roadmap that envisions the convergence of modular AI Agents and orchestrated Agentic AI in mission-critical domains. Over- all, this paper aims to provide researchers with a structured taxonomy and actionable insights to guide the design, deploy- ment, and evaluation of next-generation agentic systems. A. Methodology Overview This review adopts a structured, multi-stage methodology designed to capture the evolution, architecture, application, and limitations of AI Agents and Agentic AI. The process is visually summarized in Figure 3, which delineates the sequential flow of topics explored in this study. The analytical framework was organized to trace the progression from basic agentic constructs rooted in LLMs to advanced multi-agent orchestration systems. Each step of the review was grounded in rigorous literature synthesis across academic sources and AI- powered platforms, enabling a comprehensive understanding of the current landscape and its emerging trajectories. The review begins by establishing a foundational under- standing of AI Agents, examining their core definitions, design principles, and architectural modules as described in the litera- ture. These include components such as perception, reasoning, and action selection, along with early applications like cus- tomer service bots and retrieval assistants. This foundational layer serves as the conceptual entry point into the broader agentic paradigm. Next, we delve into the role of LLMs as core reasoning components, emphasizing how pre-trained language models underpin modern AI Agents. This section details how LLMs, through instruction fine-tuning and reinforcement learning from human feedback (RLHF), enable natural language in- teraction, planning, and limited decision-making capabilities. We also identify their limitations, such as hallucinations, static knowledge, and a lack of causal reasoning. Building on these foundations, the review proceeds to the emergence of Agentic AI , which represents a significant con- ceptual leap. Here, we highlight the transformation from tool- augmented single-agent systems to collaborative, distributed ecosystems of interacting agents. This shift is driven by the need for systems capable of decomposing goals, assigning subtasks, coordinating outputs, and adapting dynamically to changing contexts—capabilities that surpass what isolated AI Agents can offer. The next section examines the architectural evolution from AI Agents to Agentic AI systems , contrasting simple, modular agent designs with complex orchestration frameworks. We describe enhancements such as persistent memory, meta-agent coordination, multi-agent planning loops (e.g., ReAct and Chain-of-Thought prompting), and semantic communication protocols. Comparative architectural analysis is supported with examples from platforms like AutoGPT, CrewAI, and Lang- Graph. Following the architectural exploration, the review presents an in-depth analysis of application domains where AI Agents and Agentic AI are being deployed. This includes six key
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Hybrid Literature Search Foundational Understanding of AI Agents LLMs as Core Reasoning Components Emergence of Agentic AI Architectural Evolution: Agents→Agentic AI Applications of AI Agents & Agentic AI Challenges & Limitations (Agents + Agentic AI) Potential Solutions: RAG, Causal Models, Planning Fig. 3: Methodology pipeline from foundational AI agents to Agentic AI systems, applications, limitations, and solution strategies. application areas for each paradigm, ranging from knowledge retrieval, email automation, and report summarization for AI Agents, to research assistants, robotic swarms, and strategic business planning for Agentic AI. Use cases are discussed in the context of system complexity, real-time decision-making, and collaborative task execution. Subsequently, we address the challenges and limitations inherent to both paradigms. For AI Agents, we focus on issues like hallucination, prompt brittleness, limited planning ability, and lack of causal understanding. For Agentic AI, we identify higher-order challenges such as inter-agent misalignment, error propagation, unpredictability of emergent behavior, explain- ability deficits, and adversarial vulnerabilities. These problems are critically examined with references to recent experimental studies and technical reports. Finally, the review outlines potential solutions to over- come these challenges , drawing on recent advances in causal modeling, retrieval-augmented generation (RAG), multi-agent memory frameworks, and robust evaluation pipelines. These strategies are discussed not only as technical fixes but as foun- dational requirements for scaling agentic systems into high- stakes domains such as healthcare, finance, and autonomous robotics. Taken together, this methodological structure enables a comprehensive and systematic assessment of the state of AI Agents and Agentic AI. By sequencing the analysis across foundational understanding, model integration, architectural growth, applications, and limitations, the study aims to provide both theoretical clarity and practical guidance to researchers and practitioners navigating this rapidly evolving field. 1) Search Strategy: To construct this review, we imple- mented a hybrid search methodology combining traditional academic repositories and AI-enhanced literature discovery tools. Specifically, twelve platforms were queried: academic databases such as Google Scholar, IEEE Xplore, ACM Dig- ital Library, Scopus, Web of Science, ScienceDirect, and arXiv; and AI-powered interfaces including ChatGPT, Per- plexity.ai, DeepSeek, Hugging Face Search, and Grok. Search queries incorporated Boolean combinations of terms such as “AI Agents,” “Agentic AI,” “LLM Agents,” “Tool-augmented LLMs,” and “Multi-Agent AI Systems.” Targeted queries such as “Agentic AI + Coordination + Planning,” and “AI Agents + Tool Usage + Reasoning” were employed to retrieve papers addressing both conceptual underpinnings and system-level implementations. Literature inclusion was based on criteria such as novelty, empirical evaluation, architectural contribution, and citation impact. The rising global interest in these technologies, as illustrated in Figure 1 using Google Trends data, underscores the urgency of synthesizing this emerging knowledge space. II. F OUNDATIONAL UNDERSTANDING OF AI AGENTS AI Agents are an autonomous software entities engineered for goal-directed task execution within bounded digital en- vironments [14], [40]. These agents are defined by their ability to perceive structured or unstructured inputs [41], reason over contextual information [42], [43], and initiate actions toward achieving specific objectives, often acting as surrogates for human users or subsystems [44]. Unlike conventional automation scripts, which follow deterministic workflows, AI agents demonstrate reactive intelligence and limited adaptability, allowing them to interpret dynamic inputs and reconfigure outputs accordingly [45]. Their adoption has been reported across a range of application domains, including
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AI Agents Fig. 4: Core characteristics of AI Agents autonomy, task-specificity, and reactivity illustrated with symbolic representations for agent design and operational behavior. customer service automation [46], [47], personal productivity assistance [48], internal information retrieval [49], [50], and decision support systems [51], [52]. A noteworthy example of autonomous AI agents is Anthropic’s ”Computer Use” project, where Claude was trained to navigate computers to automate repetitive processes, build and test software, and perform open- ended tasks such as research [53]. 1) Overview of Core Characteristics of AI Agents: AI Agents are widely conceptualized as instantiated operational embodiments of artificial intelligence designed to interface with users, software ecosystems, or digital infrastructures in pursuit of goal-directed behavior [54]–[56]. These agents dis- tinguish themselves from general-purpose LLMs by exhibiting structured initialization, bounded autonomy, and persistent task orientation. While LLMs primarily function as reactive prompt followers [57], AI Agents operate within explicitly de- fined scopes, engaging dynamically with inputs and producing actionable outputs in real-time environments [58]. Figure 4 illustrates the three foundational characteristics that recur across architectural taxonomies and empirical deploy- ments of AI Agents. These include autonomy, task-specificity, and reactivity with adaptation . First, autonomy denotes the agent’s ability to act independently post-deployment, mini- mizing human-in-the-loop dependencies and enabling large- scale, unattended operation [47], [59]. Second, task-specificity encapsulates the design philosophy of AI agents being spe- cialized for narrowly scoped tasks allowing high-performance optimization within a defined functional domain such as scheduling, querying, or filtering [60], [61]. Third, reactivity refers to an agent’s capacity to respond to changes in its environment, including user commands, software states, or API responses; when extended with adaptation, this includes feedback loops and basic learning heuristics [17], [62]. Together, these three traits provide a foundational profile for understanding and evaluating AI Agents across deployment scenarios. The remainder of this section elaborates on each characteristic, offering theoretical grounding and illustrative examples. • Autonomy: A central feature of AI Agents is their ability to function with minimal or no human intervention after deployment [59]. Once initialized, these agents are capable of perceiving environmental inputs, reasoning over contextual data, and executing predefined or adaptive actions in real-time [17]. Autonomy enables scalable deployment in applications where persistent oversight is impractical, such as customer support bots or scheduling assistants [47], [63]. • Task-Specificity: AI Agents are purpose-built for narrow, well-defined tasks [60], [61]. They are optimized to execute repeatable operations within a fixed domain, such as email filtering [64], [65], database querying [66], or calendar coordination [39], [67]. This task specialization allows for efficiency, interpretability, and high precision in automation tasks where general-purpose reasoning is unnecessary or inefficient. • Reactivity and Adaptation: AI Agents often include basic mechanisms for interacting with dynamic inputs, allowing them to respond to real-time stimuli such as user requests, external API calls, or state changes in software environments [17], [62]. Some systems integrate rudimentary learning [68] through feedback loops [69], [70], heuristics [71], or updated context buffers to refine behavior over time, particularly in settings like personal- ized recommendations or conversation flow management
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[72]–[74]. These core characteristics collectively enable AI Agents to serve as modular, lightweight interfaces between pretrained AI models and domain-specific utility pipelines. Their architec- tural simplicity and operational efficiency position them as key enablers of scalable automation across enterprise, consumer, and industrial settings. Although still limited in reasoning depth compared to more general AI systems [75], their high usability and performance within constrained task boundaries have made them foundational components in contemporary intelligent system design. 2) Foundational Models: The Role of LLMs and LIMs: The foundational progress in AI agents has been significantly accelerated by the development and deployment of LLMs and LIMs, which serve as the core reasoning and perception engines in contemporary agent systems. These models enable AI agents to interact intelligently with their environments, understand multimodal inputs, and perform complex reasoning tasks that go beyond hard-coded automation. LLMs such as GPT-4 [76] and PaLM [77] are trained on massive datasets of text from books, web content, and dialogue corpora. These models exhibit emergent capabilities in natural language understanding, question answering, summarization, dialogue coherence, and even symbolic reasoning [78], [79]. Within AI agent architectures, LLMs serve as the primary decision-making engine, allowing the agent to parse user queries, plan multi-step solutions, and generate naturalistic responses. For instance, an AI customer support agent powered by GPT-4 can interpret customer complaints, query backend systems via tool integration, and respond in a contextually appropriate and emotionally aware manner [80], [81]. Large Image Models (LIMs) such as CLIP [82] and BLIP- 2 [83] extend the agent’s capabilities into the visual domain. Trained on image-text pairs, LIMs enable perception-based tasks including image classification, object detection, and vision-language grounding. These capabilities are increasingly vital for agents operating in domains such as robotics [84], autonomous vehicles [85], [86], and visual content moderation [87], [88]. For example, as illustrated in Figure 5 in an autonomous drone agent tasked with inspecting orchards, a LIM can identify diseased fruits [89] or damaged branches by inter- preting live aerial imagery and triggering predefined inter- vention protocols. Upon detection, the system autonomously triggers predefined intervention protocols, such as notifying horticultural staff or marking the location for targeted treat- ment without requiring human intervention [17], [59]. This workflow exemplifies the autonomy and reactivity of AI agents in agricultural environment and recent literature underscores the growing sophistication of such drone-based AI agents. Chitra et al. [90] provide a comprehensive overview of AI algorithms foundational to embodied agents, highlighting the integration of computer vision, SLAM, reinforcement learning, and sensor fusion. These components collectively support real- time perception and adaptive navigation in dynamic envi- ronments. Kourav et al. [91] further emphasize the role of Fig. 5: An AI agent–enabled drone autonomously inspects an orchard, identifying diseased fruits and damaged branches using vision models, and triggers real-time alerts for targeted horticultural interventions natural language processing and large language models in generating drone action plans from human-issued queries, demonstrating how LLMs support naturalistic interaction and mission planning. Similarly, Natarajan et al. [92] explore deep learning and reinforcement learning for scene understand- ing, spatial mapping, and multi-agent coordination in aerial robotics. These studies converge on the critical importance of AI-driven autonomy, perception, and decision-making in advancing drone-based agents. Importantly, LLMs and LIMs are often accessed via infer- ence APIs provided by cloud-based platforms such as OpenAI https://openai.com/, HuggingFace https://huggingface.co/, and Google Gemini https://gemini.google.com/app. These services abstract away the complexity of model training and fine- tuning, enabling developers to rapidly build and deploy agents equipped with state-of-the-art reasoning and perceptual abil- ities. This composability accelerates prototyping and allows agent frameworks like LangChain [93] and AutoGen [94] to orchestrate LLM and LIM outputs across task workflows. In short, foundational models give modern AI agents their basic understanding of language and visuals. Language models help them reason with words, and image models help them understand pictures-working together, they allow AI to make smart decisions in complex situations. 3) Generative AI as a Precursor: A consistent theme in the literature is the positioning of generative AI as the foundational precursor to agentic intelligence. These systems primarily operate on pretrained LLMs and LIMs, which are optimized to synthesize novel content text, images, audio, or code based on input prompts. While highly expressive, generative models fundamentally exhibit reactive behavior: they produce output only when explicitly prompted and do not pursue goals autonomously or engage in self-initiated reasoning [95], [96]. Key Characteristics of Generative AI:
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• Reactivity: As non-autonomous systems, generative models are exclusively input-driven [97], [98]. Their operations are triggered by user-specified prompts and they lack internal states, persistent memory, or goal- following mechanisms [99]–[101]. • Multimodal Capability: Modern generative systems can produce a diverse array of outputs, including coherent narratives, executable code, realistic images, and even speech transcripts. For instance, models like GPT-4 [76], PaLM-E [102], and BLIP-2 [83] exemplify this capacity, enabling language-to-image, image-to-text, and cross- modal synthesis tasks. • Prompt Dependency and Statelessness: Although gen- erative systems are stateless in that they do not retain con- text across interactions unless explicitly provided [103], [104], recent advancements like GPT-4.1 support larger context windows-up to 1 million tokens-and are better able to utilize that context thanks to improved long-text comprehension [105]. Their design also lacks intrinsic feedback loops [106], state management [107], [108], or multi-step planning a requirement for autonomous decision-making and iterative goal refinement [109], [110]. Despite their remarkable generative fidelity, these systems are constrained by their inability to act upon the environment or manipulate digital tools independently. For instance, they cannot search the internet, parse real-time data, or interact with APIs without human-engineered wrappers or scaffolding layers. As such, they fall short of being classified as true AI Agents, whose architectures integrate perception, decision- making, and external tool-use within closed feedback loops. The limitations of generative AI in handling dynamic tasks, maintaining state continuity, or executing multi-step plans led to the development of tool-augmented systems, commonly referred to as AI Agents [111]. These systems build upon the language processing backbone of LLMs but introduce additional infrastructure such as memory buffers, tool-calling APIs, reasoning chains, and planning routines to bridge the gap between passive response generation and active task completion. This architectural evolution marks a critical shift in AI system design: from content creation to autonomous utility [112], [113]. The trajectory from generative systems to AI agents underscores a progressive layering of functionality that ultimately supports the emergence of agentic behaviors. A. Language Models as the Engine for AI Agent Progression The emergence of AI agent as a transformative paradigm in artificial intelligence is closely tied to the evolution and repurposing of large-scale language models such as GPT-3 [114], Llama [115], T5 [116], Baichuan 2 [117] and GPT3mix [118]. A substantial and growing body of research confirms that the leap from reactive generative models to autonomous, goal-directed agents is driven by the integration of LLMs as core reasoning engines within dynamic agentic systems. These models, originally trained for natural language pro- cessing tasks, are increasingly embedded in frameworks that require adaptive planning [119], [120], real-time decision- making [121], [122], and environment-aware behavior [123]. 1) LLMs as Core Reasoning Components: LLMs such as GPT-4 [76], PaLM [77], Claude https://www.anthropic.com/news/claude-3-5-sonnet, and LLaMA [115] are pre-trained on massive text corpora using self-supervised objectives and fine-tuned using techniques such as Supervised Fine-Tuning (SFT) and Reinforcement Learning from Human Feedback (RLHF) [124], [125]. These models encode rich statistical and semantic knowledge, allowing them to perform tasks like inference, summarization, code generation, and dialogue management. However, in agentic contexts, their capabilities extend beyond response generation. They function as cognitive engines that interpret user goals, formulate and evaluate possible action plans, select the most appropriate strategies, leverage external tools, and manage complex, multi-step workflows. Recent work identifies these models as central to the architecture of contemporary agentic systems. For instance, AutoGPT [30] and BabyAGI https://github.com/yoheinakajima/babyagi use GPT-4 as both a planner and executor: the model analyzes high-level objectives, decomposes them into actionable subtasks, invokes external APIs as needed, and monitors progress to determine subsequent actions. In such systems, the LLM operates in a loop of prompt processing, state updating, and feedback-based correction, closely emulating autonomous decision-making. 2) Tool-Augmented AI Agents: Enhancing Functionality: To overcome limitations inherent to generative-only systems such as hallucination, static knowledge cutoffs, and restricted interaction scopes, researchers have proposed the concept of tool-augmented LLM agents [126] such as Easytool [127], Gentopia [128], and ToolFive [129]. These systems integrate external tools, APIs, and computation platforms into the agent’s reasoning pipeline, allowing for real-time information access, code execution, and interaction with dynamic data environments. Tool Invocation. When an agent identifies a need that cannot be addressed through its internal knowledge such as querying a current stock price, retrieving up-to-date weather information, or executing a script, it generates a structured function call or API request [130], [131]. These calls are typically formatted in JSON, SQL, or Python dictionary, depending on the target service, and routed through an or- chestration layer that executes the task. Result Integration. Once a response is received from the tool, the output is parsed and reincorporated into the LLM’s context window. This enables the agent to synthesize new reasoning paths, update its task status, and decide on the next step. The ReAct framework [132] exemplifies this architecture by combining reasoning (Chain-of-Thought prompting) and action (tool use), with LLMs alternating between internal cognition and external environment interaction. A prominent example of a tool-augmented AI agent is ChatGPT, which, when unable to answer a query directly, autonomously invokes the Web Search API to retrieve more recent and relevant
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information, performs reasoning over the retrieved content, and formulates a response based on its understanding [133]. 3) Illustrative Examples and Emerging Capabilities: Tool- augmented LLM agents have demonstrated capabilities across a range of applications. In AutoGPT [30], the agent may plan a product market analysis by sequentially querying the web, compiling competitor data, summarizing insights, and generating a report. In a coding context, tools like GPT- Engineer combine LLM-driven design with local code exe- cution environments to iteratively develop software artifacts [134], [135]. In research domains, systems like Paper-QA [136] utilize LLMs to query vectorized academic databases, grounding answers in retrieved scientific literature to ensure factual integrity. These capabilities have opened pathways for more robust behavior of AI agents such as long-horizon planning, cross- tool coordination, and adaptive learning loops. Nevertheless, the inclusion of tools also introduces new challenges in or- chestration complexity, error propagation, and context window limitations all active areas of research. The progression toward AI Agents is inseparable from the strategic integration of LLMs as reasoning engines and their augmentation through structured tool use. This synergy transforms static language models into dynamic cognitive entities capable of perceiving, planning, acting, and adapting setting the stage for multi-agent collaboration, persistent memory, and scalable autonomy. Figure 6 illustrates a representative case: a news query agent that performs real-time web search, summarizes retrieved documents, and generates an articulate, context-aware answer. Such workflows have been demonstrated in implementations using LangChain, AutoGPT, and OpenAI function-calling paradigms. Fig. 6: Illustrating the workflow of an AI Agent performing real-time news search, summarization, and answer generation III. T HE EMERGENCE OF AGENTIC AI FROM AI AGENT FOUNDATIONS While AI Agents represent a significant leap in artificial in- telligence capabilities, particularly in automating narrow tasks through tool-augmented reasoning, recent literature identifies notable limitations that constrain their scalability in complex, multi-step, or cooperative scenarios [137]–[139]. These con- straints have catalyzed the development of a more advanced paradigm: Agentic AI. This emerging class of systems extends the capabilities of traditional agents by enabling multiple intelligent entities to collaboratively pursue goals through structured communication [140]–[142], shared memory [143], [144], and dynamic role assignment [14]. 1) Conceptual Leap: From Isolated Tasks to Coordinated Systems: AI Agents, as explored in prior sections, integrate LLMs with external tools and APIs to execute narrowly scoped operations such as responding to customer queries, performing document retrieval, or managing schedules. However, as use cases increasingly demand context retention, task interde- pendence, and adaptability across dynamic environments, the single-agent model proves insufficient [145], [146]. Agentic AI systems represent an emergent class of in- telligent architectures in which multiple specialized agents collaborate to achieve complex, high-level objectives [33]. As defined in recent frameworks, these systems are composed of modular agents each tasked with a distinct subcomponent of a broader goal and coordinated through either a centralized orchestrator or a decentralized protocol [16], [141]. This structure signifies a conceptual departure from the atomic, reactive behaviors typically observed in single-agent architec- tures, toward a form of system-level intelligence characterized by dynamic inter-agent collaboration. A key enabler of this paradigm is goal decomposition , wherein a user-specified objective is automatically parsed and divided into smaller, manageable tasks by planning agents [39]. These subtasks are then distributed across the agent network. Multi-step reasoning and planning mechanisms facilitate the dynamic sequencing of these subtasks, allowing the system to adapt in real time to environmental shifts or partial task failures. This ensures robust task execution even under uncertainty [14]. Inter-agent communication is mediated through distributed communication channels , such as asynchronous messaging queues, shared memory buffers, or intermediate output ex- changes, enabling coordination without necessitating contin- uous central oversight [14], [147]. Furthermore, reflective reasoning and memory systems allow agents to store context across multiple interactions, evaluate past decisions, and itera- tively refine their strategies [148]. Collectively, these capabili- ties enable Agentic AI systems to exhibit flexible, adaptive, and collaborative intelligence that exceeds the operational limits of individual agents. A widely accepted conceptual illustration in the literature delineates the distinction between AI Agents and Agentic AI through the analogy of smart home systems. As depicted in Figure 7, the left side represents a traditional AI Agent in the form of a smart thermostat. This standalone agent receives a user-defined temperature setting and autonomously controls the heating or cooling system to maintain the target tempera- ture. While it demonstrates limited autonomy such as learning
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Fig. 7: Comparative illustration of AI Agent vs. Agentic AI, synthesizing conceptual distinctions. Left: A single-task AI Agent. Right: A multi-agent, collaborative Agentic AI system. user schedules or reducing energy usage during absence, it operates in isolation, executing a singular, well-defined task without engaging in broader environmental coordination or goal inference [17], [59]. In contrast, the right side of Figure 7 illustrates an Agentic AI system embedded in a comprehensive smart home ecosys- tem. Here, multiple specialized agents interact synergistically to manage diverse aspects such as weather forecasting, daily scheduling, energy pricing optimization, security monitoring, and backup power activation. These agents are not just reactive modules; they communicate dynamically, share memory states, and collaboratively align actions toward a high-level system goal (e.g., optimizing comfort, safety, and energy efficiency in real time). For instance, a weather forecast agent might signal upcoming heatwaves, prompting early pre-cooling via solar energy before peak pricing hours, as coordinated by an energy management agent. Simultaneously, the system might delay high-energy tasks or activate surveillance systems during occupant absence, integrating decisions across domains. This figure embodies the architectural and functional leap from task-specific automation to adaptive, orchestrated intelligence. The AI Agent acts as a deterministic component with limited scope, while Agentic AI reflects distributed intelligence, char- acterized by goal decomposition, inter-agent communication, and contextual adaptation, hallmarks of modern agentic AI frameworks. 2) Key Differentiators between AI Agents and Agentic AI: To systematically capture the evolution from Generative AI to AI Agents and further to Agentic AI, we structure our comparative analysis around a foundational taxonomy where Generative AI serves as the baseline. While AI Agents and Agentic AI represent increasingly autonomous and interactive systems, both paradigms are fundamentally grounded in gener- ative architectures, especially LLMs and LIMs. Consequently, each comparative table in this subsection includes Generative AI as a reference column to highlight how agentic behavior diverges and builds upon generative foundations. A set of fundamental distinctions between AI Agents and Agentic AI particularly in terms of scope, autonomy, architec- tural composition, coordination strategy, and operational com- plexity are synthesized in Table I, derived from close analysis of prominent frameworks such as AutoGen [94] and ChatDev [149]. These comparisons provide a multi-dimensional view of how single-agent systems transition into coordinated, multi- agent ecosystems. Through the lens of generative capabilities, we trace the increasing sophistication in planning, communica- tion, and adaptation that characterizes the shift toward Agentic AI. While Table I delineates the foundational and operational differences between AI Agents and Agentic AI, a more gran-
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TABLE I: Key Differences Between AI Agents and Agentic AI Feature AI Agents Agentic AI Definition Autonomous software programs that perform specific tasks. Systems of multiple AI agents collaborating to achieve complex goals. Autonomy Level High autonomy within specific tasks. Higher autonomy with the ability to manage multi-step, complex tasks. Task Complexity Typically handle single, specific tasks. Handle complex, multi-step tasks requiring coordination. Collaboration Operate independently. Involve multi-agent collaboration and information sharing. Learning and Adaptation Learn and adapt within their specific domain. Learn and adapt across a wider range of tasks and environments. Applications Customer service chatbots, virtual assistants, automated workflows. Supply chain management, business process optimization, virtual project managers. ular taxonomy is required to understand how these paradigms emerge from and relate to broader generative frameworks. Specifically, the conceptual and cognitive progression from static Generative AI systems to tool-augmented AI Agents, and further to collaborative Agentic AI ecosystems, necessi- tates an integrated comparative framework. This transition is not merely structural but also functional encompassing how initiation mechanisms, memory use, learning capacities, and orchestration strategies evolve across the agentic spectrum. Moreover, recent studies suggest the emergence of hybrid paradigms such as ”Generative Agents,” which blend gen- erative modeling with modular task specialization, further complicating the agentic landscape. In order to capture these nuanced relationships, Table II synthesizes the key conceptual and cognitive dimensions across four archetypes: Generative AI, AI Agents, Agentic AI, and inferred Generative Agents. By positioning Generative AI as a baseline technology, this taxonomy highlights the scientific continuum that spans from passive content generation to interactive task execution and finally to autonomous, multi-agent orchestration. This multi- tiered lens is critical for understanding both the current ca- pabilities and future trajectories of agentic intelligence across applied and theoretical domains. To further operationalize the distinctions outlined in Ta- ble I, Tables III and II extend the comparative lens to en- compass a broader spectrum of agent paradigms including AI Agents, Agentic AI, and emerging Generative Agents. Table III presents key architectural and behavioral attributes that highlight how each paradigm differs in terms of pri- mary capabilities, planning scope, interaction style, learning dynamics, and evaluation criteria. AI Agents are optimized for discrete task execution with limited planning horizons and rely on supervised or rule-based learning mechanisms. In con- trast, Agentic AI systems extend this capacity through multi- step planning, meta-learning, and inter-agent communication, positioning them for use in complex environments requiring autonomous goal setting and coordination. Generative Agents, as a more recent construct, inherit LLM-centric pretraining capabilities and excel in producing multimodal content cre- atively, yet they lack the proactive orchestration and state- persistent behaviors seen in Agentic AI systems. The second table (Table III) provides a process-driven comparison across three agent categories: Generative AI, AI Agents, and Agentic AI. This framing emphasizes how functional pipelines evolve from prompt-driven single-model inference in Generative AI, to tool-augmented execution in AI Agents, and finally to orchestrated agent networks in Agentic AI. The structure column underscores this progression: from single LLMs to integrated toolchains and ultimately to dis- tributed multi-agent systems. Access to external data, a key operational requirement for real-world utility, also increases in sophistication, from absent or optional in Generative AI to modular and coordinated in Agentic AI. Collectively, these comparative views reinforce that the evolution from generative to agentic paradigms is marked not just by increasing system complexity but also by deeper integration of autonomy, mem- ory, and decision-making across multiple levels of abstraction. Furthermore, to provide a deeper multi-dimensional un- derstanding of the evolving agentic landscape, Tables V through IX extend the comparative taxonomy to dissect five critical dimensions: core function and goal alignment, archi- tectural composition, operational mechanism, scope and com- plexity, and interaction-autonomy dynamics. These dimensions serve to not only reinforce the structural differences between Generative AI, AI Agents, and Agentic AI, but also introduce an emergent category Generative Agents representing modular agents designed for embedded subtask-level generation within broader workflows [150]. Table V situates the three paradigms in terms of their overarching goals and functional intent. While Generative AI centers on prompt-driven content generation, AI Agents emphasize tool-based task execution, and Agentic AI systems orchestrate full-fledged workflows. This functional expansion is mirrored architecturally in Table VI, where the system design transitions from single-model reliance (in Gen- erative AI) to multi-agent orchestration and shared memory utilization in Agentic AI. Table VII then outlines how these paradigms differ in their workflow execution pathways, high- lighting the rise of inter-agent coordination and hierarchical communication as key drivers of agentic behavior. Furthermore, Table VIII explores the increasing scope and operational complexity handled by these systems ranging from isolated content generation to adaptive, multi-agent col- laboration in dynamic environments. Finally, Table IX syn- thesizes the varying degrees of autonomy, interaction style, and decision-making granularity across the paradigms. These tables collectively establish a rigorous framework to classify and analyze agent-based AI systems, laying the groundwork for principled evaluation and future design of autonomous, intelligent, and collaborative agents operating at scale.
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TABLE II: Taxonomy Summary of AI Agent Paradigms: Conceptual and Cognitive Dimensions Conceptual Dimension Generative AI AI Agent Agentic AI Generative Agent (Inferred) Initiation Type Prompt-triggered by user or input Prompt or goal-triggered with tool use Goal-initiated or orchestrated task Prompt or system-level trig- ger Goal Flexibility (None) fixed per prompt (Low) executes specific goal (High) decomposes and adapts goals (Low) guided by subtask goal Temporal Continuity Stateless, single-session out- put Short-term continuity within task Persistent across workflow stages Context-limited to subtask Learning/Adaptation Static (pretrained) (Might in future) Tool selec- tion strategies may evolve (Yes) Learns from outcomes Typically static; limited adaptation Memory Use No memory or short context window Optional memory or tool cache Shared episodic/task mem- ory Subtask-local or contextual memory Coordination Strategy None (single-step process) Isolated task execution Hierarchical or decentralized coordination Receives instructions from system System Role Content generator Tool-using task executor Collaborative workflow or- chestrator Subtask-level modular gener- ator TABLE III: Key Attributes of AI Agents, Agentic AI, and Generative Agents Aspect AI Agent Agentic AI Generative Agent Primary Ca- pability Task execution Autonomous goal setting Content genera- tion Planning Horizon Single-step Multi-step N/A (content only) Learning Mechanism Rule-based or supervised Reinforcement/meta- learning Large-scale pre- training Interaction Style Reactive Proactive Creative Evaluation Focus Accuracy, latency Engagement, adaptability Coherence, diver- sity TABLE IV: Comparison of Generative AI, AI Agents, and Agentic AI Feature Generative AI AI Agent Agentic AI Core Function Content genera- tion Task-specific execution using tools Complex workflow automation Mechanism Prompt → LLM → Output Prompt → Tool Call → LLM → Output Goal → Agent Orchestration → Output Structure Single model LLM + tool(s) Multi-agent sys- tem External Data Access None (unless added) Via external APIs Coordinated multi-agent access Key Trait Reactivity Tool-use Collaboration Each of the comparative tables presented from Table V through Table IX offers a layered analytical lens to isolate the distinguishing attributes of Generative AI, AI Agents, and Agentic AI, thereby grounding the conceptual taxonomy in concrete operational and architectural features. Table V, for instance, addresses the most fundamental layer of differentia- tion: core function and system goal. While Generative AI is narrowly focused on reactive content production conditioned on user prompts, AI Agents are characterized by their ability to perform targeted tasks using external tools. Agentic AI, by contrast, is defined by its ability to pursue high-level goals through the orchestration of multiple subagents each addressing a component of a broader workflow. This shift from output generation to workflow execution marks a critical inflection point in the evolution of autonomous systems. In Table VI, the architectural distinctions are made explicit, especially in terms of system composition and control logic. Generative AI relies on a single model with no built-in capabil- ity for tool use or delegation, whereas AI Agents combine lan- guage models with auxiliary APIs and interface mechanisms to augment functionality. Agentic AI extends this further by introducing multi-agent systems where collaboration, memory persistence, and orchestration protocols are central to the system’s operation. This expansion is crucial for enabling intelligent delegation, context preservation, and dynamic role assignment capabilities absent in both generative and single- agent systems. Likewise in Table VII dives deeper into how these systems function operationally, emphasizing differences in execution logic and information flow. Unlike Generative AI’s linear pipeline (prompt → output), AI Agents implement procedural mechanisms to incorporate tool responses mid- process. Agentic AI introduces recursive task reallocation and cross-agent messaging, thus facilitating emergent decision- making that cannot be captured by static LLM outputs alone. Table VIII further reinforces these distinctions by mapping each system’s capacity to handle task diversity, temporal scale, and operational robustness. Here, Agentic AI emerges as uniquely capable of supporting high-complexity goals that de- mand adaptive, multi-phase reasoning and execution strategies. Furthermore, Table IX brings into sharp relief the opera- tional and behavioral distinctions across Generative AI, AI Agents, and Agentic AI, with a particular focus on autonomy levels, interaction styles, and inter-agent coordination. Gener- ative AI systems, typified by models such as GPT-3 [114] and and DALL·E https://openai.com/index/dall-e-3/, remain reactive generating content solely in response to prompts
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TABLE V: Comparison by Core Function and Goal Feature Generative AI AI Agent Agentic AI Generative Agent (Inferred) Primary Goal Create novel content based on prompt Execute a specific task us- ing external tools Automate complex work- flow or achieve high-level goals Perform a specific genera- tive sub-task Core Function Content generation (text, image, audio, etc.) Task execution with exter- nal interaction Workflow orchestration and goal achievement Sub-task content generation within a workflow TABLE VI: Comparison by Architectural Components Component Generative AI AI Agent Agentic AI Generative Agent (Inferred) Core Engine LLM / LIM LLM Multiple LLMs (potentially diverse) LLM Prompts Yes (input trigger) Yes (task guidance) Yes (system goal and agent tasks) Yes (sub-task guidance) Tools/APIs No (inherently) Yes (essential) Yes (available to constituent agents) Potentially (if sub-task re- quires) Multiple Agents No No Yes (essential; collabora- tive) No (is an individual agent) Orchestration No No Yes (implicit or explicit) No (is part of orchestration) TABLE VII: Comparison by Operational Mechanism Mechanism Generative AI AI Agent Agentic AI Generative Agent (Inferred) Primary Driver Reactivity to prompt Tool calling for task execu- tion Inter-agent communication and collaboration Reactivity to input or sub- task prompt Interaction Mode User → LLM User → Agent → Tool User → System → Agents System/Agent → Agent → Output Workflow Handling Single generation step Single task execution Multi-step workflow coordi- nation Single step within workflow Information Flow Input → Output Input → Tool → Output Input → Agent1 → Agent2 → ... → Output Input (from system/agent) → Output TABLE VIII: Comparison by Scope and Complexity Aspect Generative AI AI Agent Agentic AI Generative Agent (Inferred) Task Scope Single piece of generated content Single, specific, defined task Complex, multi-faceted goal or workflow Specific sub-task (often generative) Complexity Low (relative) Medium (integrates tools) High (multi-agent coordina- tion) Low to Medium (one task component) Example (Video) Chatbot Tavily Search Agent YouTube-to-Blog Conversion System Title/Description/Conclusion Generator TABLE IX: Comparison by Interaction and Autonomy Feature Generative AI AI Agent Agentic AI Generative Agent (Inferred) Autonomy Level Low (requires prompt) Medium (uses tools au- tonomously) High (manages entire pro- cess) Low to Medium (executes sub-task) External Interaction None (baseline) Via specific tools or APIs Through multiple agents/tools Possibly via tools (if needed) Internal Interaction N/A N/A High (inter-agent) Receives input from system or agent Decision Making Pattern selection Tool usage decisions Goal decomposition and as- signment Best sub-task generation strategy
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without maintaining persistent state or engaging in iterative reasoning. In contrast, AI Agents such as those constructed with LangChain [93] or MetaGPT [151], exhibit a higher degree of autonomy, capable of initiating external tool invoca- tions and adapting behaviors within bounded tasks. However, their autonomy is typically confined to isolated task execution, lacking long-term state continuity or collaborative interaction. Agentic AI systems mark a significant departure from these paradigms by introducing internal orchestration mechanisms and multi-agent collaboration frameworks. For example, plat- forms like AutoGen [94] and ChatDev [149] exemplify agentic coordination through task decomposition, role assignment, and recursive feedback loops. In AutoGen, one agent might serve as a planner while another retrieves information and a third synthesizes a report, each communicating through shared memory buffers and governed by an orchestrator agent that monitors dependencies and overall task progression. This structured coordination allows for more complex goal pur- suit and flexible behavior in dynamic environments. Such architectures fundamentally shift the focus of intelligence from single-model outputs to emergent system-level behavior, wherein agents learn, negotiate, and update decisions based on evolving task states. Thus, the comparative taxonomy not only highlights increasing levels of operational independence but also illustrates how Agentic AI introduces novel paradigms of communication, memory integration, and decentralized con- trol, paving the way for the next generation of autonomous systems with scalable, adaptive intelligence. A. Architectural Evolution: From AI Agents to Agentic AI Systems While both AI Agents and Agentic AI systems are grounded in modular design principles, Agentic AI significantly extends the foundational architecture to support more complex, dis- tributed, and adaptive behaviors. As illustrated in Figure 8, the transition begins with core subsystems Perception, Rea- soning, and Action, that define traditional AI Agents. Agentic AI enhances this base by integrating advanced components such as Specialized Agents, Advanced Reasoning & Plan- ning, Persistent Memory, and Orchestration. The figure further emphasizes emergent capabilities including Multi-Agent Col- laboration, System Coordination, Shared Context, and Task Decomposition, all encapsulated within a dotted boundary that signifies the shift toward reflective, decentralized, and goal-driven system architectures. This progression marks a fundamental inflection point in intelligent agent design. This section synthesizes findings from empirical frameworks such as LangChain [93], AutoGPT [94], and TaskMatrix [152], highlighting this progression in architectural sophistication. 1) Core Architectural Components of AI Agents: Foun- dational AI Agents are typically composed of four primary subsystems: perception, reasoning, action, and learning. These subsystems form a closed-loop operational cycle, commonly referred to as “Understand, Think, Act” from a user interface perspective, or “Input, Processing, Action, Learning” in sys- tems design literature [14], [153]. • Perception Module: This subsystem ingests input signals from users (e.g., natural language prompts) or external systems (e.g., APIs, file uploads, sensor streams). It is responsible for pre-processing data into a format inter- pretable by the agent’s reasoning module. For example, in LangChain-based agents [93], [154], the perception layer handles prompt templating, contextual wrapping, and retrieval augmentation via document chunking and embedding search. • Knowledge Representation and Reasoning (KRR) Module: At the core of the agent’s intelligence lies the KRR module, which applies symbolic, statistical, or hybrid logic to input data. Techniques include rule-based logic (e.g., if-then decision trees), deterministic workflow engines, and simple planning graphs. Reasoning in agents like AutoGPT [30] is enhanced with function-calling and prompt chaining to simulate thought processes (e.g., “step-by-step” prompts or intermediate tool invocations). • Action Selection and Execution Module: This module translates inferred decisions into external actions using an action library. These actions may include sending messages, updating databases, querying APIs, or pro- ducing structured outputs. Execution is often managed by middleware like LangChain’s “agent executor,” which links LLM outputs to tool calls and observes responses for subsequent steps [93]. • Basic Learning and Adaptation: Traditional AI Agents feature limited learning mechanisms, such as heuristic parameter adjustment [155], [156] or history-informed context retention. For instance, agents may use simple memory buffers to recall prior user inputs or apply scoring mechanisms to improve tool selection in future iterations. Customization of these agents typically involves domain- specific prompt engineering, rule injection, or workflow tem- plates, distinguishing them from hard-coded automation scripts by their ability to make context-aware decisions. Systems like ReAct [132] exemplify this architecture, combining reasoning and action in an iterative framework where agents simulate internal dialogue before selecting external actions. 2) Architectural Enhancements in Agentic AI: Agentic AI systems inherit the modularity of AI Agents but extend their architecture to support distributed intelligence, inter- agent communication, and recursive planning. The literature documents a number of critical architectural enhancements that differentiate Agentic AI from its predecessors [157], [158]. • Ensemble of Specialized Agents: Rather than operating as a monolithic unit, Agentic AI systems consist of multiple agents, each assigned a specialized function e.g., a summarizer, a retriever, a planner. These agents inter- act via communication channels (e.g., message queues, blackboards, or shared memory). For instance, MetaGPT [151] exemplify this approach by modeling agents after corporate departments (e.g., CEO, CTO, engineer), where
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Multi-Agent Collaboration Task-Decomposition Shared Context System Coordination AI Agents Agentic AI Fig. 8: Illustrating architectural evolution from traditional AI Agents to modern Agentic AI systems. It begins with core modules Perception, Reasoning, and Action and expands into advanced components including Specialized Agents, Advanced Reasoning & Planning, Persistent Memory, and Orchestration. The diagram further captures emergent properties such as Multi- Agent Collaboration, System Coordination, Shared Context, and Task Decomposition, all enclosed within a dotted boundary signifying layered modularity and the transition to distributed, adaptive agentic AI intelligence. roles are modular, reusable, and role-bound. • Advanced Reasoning and Planning: Agentic systems embed recursive reasoning capabilities using frameworks such as ReAct [132], Chain-of-Thought (CoT) prompting [159], and Tree of Thoughts [160]. These mechanisms allow agents to break down a complex task into multiple reasoning stages, evaluate intermediate results, and re- plan actions dynamically. This enables the system to respond adaptively to uncertainty or partial failure. • Persistent Memory Architectures: Unlike traditional agents, Agentic AI incorporates memory subsystems to persist knowledge across task cycles or agent sessions [161], [162]. Memory types include episodic memory (task-specific history) [163], [164], semantic memory (long-term facts or structured data) [165], [166], and vector-based memory for retrieval-augmented generation (RAG) [167], [168]. For example, AutoGen [94] agents maintain scratchpads for intermediate computations, en- abling stepwise task progression. • Orchestration Layers / Meta-Agents: A key innovation in Agentic AI is the introduction of orchestrators meta- agents that coordinate the lifecycle of subordinate agents, manage dependencies, assign roles, and resolve conflicts. Orchestrators often include task managers, evaluators, or moderators. In ChatDev [149], for example, a virtual CEO meta-agent distributes subtasks to departmental agents and integrates their outputs into a unified strategic response. These enhancements collectively enable Agentic AI to sup- port scenarios that require sustained context, distributed labor, multi-modal coordination, and strategic adaptation. Use cases range from research assistants that retrieve, summarize, and draft documents in tandem (e.g., AutoGen pipelines [94]) to smart supply chain agents that monitor logistics, vendor performance, and dynamic pricing models in parallel. The shift from isolated perception–reasoning–action loops to collaborative and reflective multi-agent workflows marks a key inflection point in the architectural design of intelligent systems. This progression positions Agentic AI as the next stage of AI infrastructure capable not only of executing predefined workflows but also of constructing, revising, and managing complex objectives across agents with minimal human supervision. IV. A PPLICATION OF AI AGENTS AND AGENTIC AI To illustrate the real-world utility and operational diver- gence between AI Agents and Agentic AI systems, this study
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Customer Support Automation and Internal Enterprise Search Email Filtering and Prioritization Personalized Content Recommendation, Basic Data Analysis and Reporting Autonomous Scheduling Assistants Multi-Agent Research Assistants Intelligent Robotics Coordination Collaborative Medical Decision Support Multi-Agent Game AI & Adaptive Workflow Automation Fig. 9: Categorized applications of AI Agents and Agentic AI across eight core functional domains. synthesizes a range of applications drawn from recent litera- ture, as visualized in Figure 9. We systematically categorize and analyze application domains across two parallel tracks: conventional AI Agent systems and their more advanced Agentic AI counterparts. For AI Agents, four primary use cases are reviewed: (1) Customer Support Automation and Internal Enterprise Search, where single-agent models handle structured queries and response generation; (2) Email Filtering and Prioritization, where agents assist users in managing high-volume communication through classification heuristics; (3) Personalized Content Recommendation and Basic Data Reporting, where user behavior is analyzed for automated insights; and (4) Autonomous Scheduling Assistants, which interpret calendars and book tasks with minimal user input. In contrast, Agentic AI applications encompass broader and more dynamic capabilities, reviewed through four additional categories: (1) Multi-Agent Research Assistants that retrieve, synthesize, and draft scientific content collaboratively; (2) Intelligent Robotics Coordination, including drone and multi- robot systems in fields like agriculture and logistics; (3) Collaborative Medical Decision Support, involving diagnostic, treatment, and monitoring subsystems; and (4) Multi-Agent Game AI and Adaptive Workflow Automation, where decen- tralized agents interact strategically or handle complex task pipelines. 1) Application of AI Agents: 1) Customer Support Automation and Internal Enter- prise Search: AI Agents are widely adopted in en- terprise environments for automating customer support and facilitating internal knowledge retrieval. In cus- tomer service, these agents leverage retrieval-augmented LLMs interfaced with APIs and organizational knowl- edge bases to answer user queries, triage tickets, and perform actions like order tracking or return initia- tion [47]. For internal enterprise search, agents built on vector stores (e.g., Pinecone, Elasticsearch) retrieve semantically relevant documents in response to natu- ral language queries. Tools such as Salesforce Ein- stein https://www.salesforce.com/artificial-intelligence/, Intercom Fin https://www.intercom.com/fin, and Notion AI https://www.notion.com/product/ai demonstrate how structured input processing and summarization capabil- ities reduce workload and improve enterprise decision- making. A practical example (Figure 10a) of this dual func- tionality can be seen in a multinational e-commerce company deploying an AI Agent-based customer support and internal search assistant. For customer support, the AI Agent integrates with the company’s CRM (e.g., Salesforce) and fulfillment APIs to resolve queries such as “Where is my order?” or “How can I return this item?”. Within milliseconds, the agent retrieves con-
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textual data from shipping databases and policy repos- itories, then generates a personalized response using retrieval-augmented generation. For internal enterprise search, employees use the same system to query past meeting notes, sales presentations, or legal documents. When an HR manager types “summarize key benefits policy changes from last year,” the agent queries a Pinecone vector store embedded with enterprise doc- umentation, ranks results by semantic similarity, and returns a concise summary along with source links. These capabilities not only reduce ticket volume and support overhead but also minimize time spent searching for institutional knowledge (like policies, procedures, or manuals). The result is a unified, responsive system that enhances both external service delivery and internal operational efficiency using modular AI Agent architec- tures. 2) Email Filtering and Prioritization: Within productivity tools, AI Agents automate email triage through content classification and prioritization. Integrated with systems like Microsoft Outlook and Superhuman, these agents analyze metadata and message semantics to detect ur- gency, extract tasks, and recommend replies. They apply user-tuned filtering rules, behavioral signals, and intent classification to reduce cognitive overload. Autonomous actions, such as auto-tagging or summarizing threads, enhance efficiency, while embedded feedback loops en- able personalization through incremental learning [63]. Figure10b illustrates a practical implementation of AI Agents in the domain of email filtering and prioriti- zation. In modern workplace environments, users are inundated with high volumes of email, leading to cog- nitive overload and missed critical communications. AI Agents embedded in platforms like Microsoft Outlook or Superhuman act as intelligent intermediaries that classify, cluster, and triage incoming messages. These agents evaluate metadata (e.g., sender, subject line) and semantic content to detect urgency, extract actionable items, and suggest smart replies. As depicted, the AI agent autonomously categorizes emails into tags such as “Urgent,” “Follow-up,” and “Low Priority,” while also offering context-aware summaries and reply drafts. Through continual feedback loops and usage patterns, the system adapts to user preferences, gradually refining classification thresholds and improving prioritization ac- curacy. This automation offloads decision fatigue, allow- ing users to focus on high-value tasks, while maintain- ing efficient communication management in fast-paced, information-dense environments. 3) Personalized Content Recommendation and Basic Data Reporting: AI Agents support adaptive personal- ization by analyzing behavioral patterns for news, prod- uct, or media recommendations. Platforms like Amazon, YouTube, and Spotify deploy these agents to infer user preferences via collaborative filtering, intent detection, and content ranking. Simultaneously, AI Agents in an- (a) (b) (c) (d) Fig. 10: Applications of AI Agents in enterprise settings: (a) Customer support and internal enterprise search; (b) Email filtering and prioritization; (c) Personalized content recom- mendation and basic data reporting; and (d) Autonomous scheduling assistants. Each example highlights modular AI Agent integration for automation, intent understanding, and adaptive reasoning across operational workflows and user- facing systems.
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alytics systems (e.g., Tableau Pulse, Power BI Copi- lot) enable natural-language data queries and automated report generation by converting prompts to structured database queries and visual summaries, democratizing business intelligence access. A practical illustration (Figure 10c) of AI Agents in personalized content recommendation and basic data reporting can be found in e-commerce and enterprise analytics systems. Consider an AI agent deployed on a retail platform like Amazon: as users browse, click, and purchase items, the agent continuously monitors inter- action patterns such as dwell time, search queries, and purchase sequences. Using collaborative filtering and content-based ranking, the agent infers user intent and dynamically generates personalized product suggestions that evolve over time. For example, after purchasing gardening tools, a user may be recommended compat- ible soil sensors or relevant books. This level of per- sonalization enhances customer engagement, increases conversion rates, and supports long-term user retention. Simultaneously, within a corporate setting, an AI agent integrated into Power BI Copilot allows non-technical staff to request insights using natural language, for instance, “Compare Q3 and Q4 sales in the Northeast.” The agent translates the prompt into structured SQL queries, extracts patterns from the database, and outputs a concise visual summary or narrative report. This application reduces dependency on data analysts and empowers broader business decision-making through intuitive, language-driven interfaces. 4) Autonomous Scheduling Assistants: AI Agents in- tegrated with calendar systems autonomously manage meeting coordination, rescheduling, and conflict reso- lution. Tools like x.ai and Reclaim AI interpret vague scheduling commands, access calendar APIs, and iden- tify optimal time slots based on learned user preferences. They minimize human input while adapting to dynamic availability constraints. Their ability to interface with enterprise systems and respond to ambiguous instruc- tions highlights the modular autonomy of contemporary scheduling agents. A practical application of autonomous scheduling agents can be seen in corporate settings as depicted in Fig- ure 10d where employees manage multiple overlapping responsibilities across global time zones. Consider an executive assistant AI agent integrated with Google Calendar and Slack that interprets a command like “Find a 45-minute window for a follow-up with the product team next week.” The agent parses the request, checks availability for all participants, accounts for time zone differences, and avoids meeting conflicts or working- hour violations. If it identifies a conflict with a pre- viously scheduled task, it may autonomously propose alternative windows and notify affected attendees via Slack integration. Additionally, the agent learns from historical user preferences such as avoiding early Friday meetings and refines its suggestions over time. Tools like Reclaim AI and Clockwise exemplify this capabil- ity, offering calendar-aware automation that adapts to evolving workloads. Such assistants reduce coordination overhead, increase scheduling efficiency, and enable smoother team workflows by proactively resolving am- biguity and optimizing calendar utilization. TABLE X: Representative AI Agents (2023–2025): Applica- tions and Operational Characteristics Model / Reference Application Area Operation as AI Agent ChatGPT Deep Re- search Mode OpenAI (2025) Deep Research OpenAI Research Analy- sis / Reporting Synthesizes hundreds of sources into reports; functions as a self-directed research analyst. Operator OpenAI (2025) Opera- tor OpenAI Web Automation Navigates websites, fills forms, and completes online tasks au- tonomously. Agentspace: Deep Re- search Agent Google (2025) Google Agentspace Enterprise Reporting Generates business intelligence reports using Gemini models. NotebookLM Plus Agent Google (2025) NotebookLM Knowledge Man- agement Summarizes, organizes, and retrieves data across Google Workspace apps. Nova Act Amazon (2025) Ama- zon Nova Workflow Automation Automates browser-based tasks such as scheduling, HR requests, and email. Manus Agent Monica (2025) Manus Agenthttps://manus.im/ Personal Task Automation Executes trip planning, site building, and product compar- isons via browsing. Harvey Harvey AI (2025) Har- vey Legal Automation Automates document drafting, legal review, and predictive case analysis. Otter Meeting Agent Otter.ai (2025) Otter Meeting Management Transcribes meetings and pro- vides highlights, summaries, and action items. Otter Sales Agent Otter.ai (2025) Otter sales agent Sales Enablement Analyzes sales calls, extracts insights, and suggests follow- ups. ClickUp Brain ClickUp (2025) ClickUp Brain Project Manage- ment Automates task tracking, up- dates, and project workflows. Agentforce Agentforce (2025) Agentforce Customer Support Routes tickets and generates context-aware replies for sup- port teams. Microsoft Copilot Microsoft (2024) Mi- crosoft Copilot Office Productiv- ity Automates writing, formula generation, and summarization in Microsoft 365. Project Astra Google DeepMind (2025) Project Astra Multimodal As- sistance Processes text, image, audio, and video for task support and recommendations. Claude 3.5 Agent Anthropic (2025) Claude 3.5 Sonnet Enterprise Assis- tance Uses multimodal input for rea- soning, personalization, and enterprise task completion. 2) Appications of Agentic AI: 1) Multi-Agent Research Assistants: Agentic AI systems are increasingly deployed in academic and industrial research pipelines to automate multi-stage knowledge work. Platforms like AutoGen and CrewAI assign spe- cialized roles to multiple agents retrievers, summarizers,
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synthesizers, and citation formatters under a central orchestrator. The orchestrator distributes tasks, manages role dependencies, and integrates outputs into coherent drafts or review summaries. Persistent memory allows for cross-agent context sharing and refinement over time. These systems are being used for literature re- views, grant preparation, and patent search pipelines, outperforming single-agent systems such as ChatGPT by enabling concurrent sub-task execution and long-context management [94]. For example, a real-world application of agentic AI as depicted in Figure 11a is in the automated drafting of grant proposals. Consider a university research group preparing a National Science Foundation (NSF) sub- mission. Using an AutoGen-based architecture, distinct agents are assigned: one retrieves prior funded proposals and extracts structural patterns; another scans recent literature to summarize related work; a third agent aligns proposal objectives with NSF solicitation language; and a formatting agent structures the document per com- pliance guidelines. The orchestrator coordinates these agents, resolving dependencies (e.g., aligning methodol- ogy with objectives) and ensuring stylistic consistency across sections. Persistent memory modules store evolv- ing drafts, feedback from collaborators, and funding agency templates, enabling iterative improvement over multiple sessions. Compared to traditional manual pro- cesses, this multi-agent system significantly accelerates drafting time, improves narrative cohesion, and ensures regulatory alignment offering a scalable, adaptive ap- proach to collaborative scientific writing in academia and R&D-intensive industries. 2) Intelligent Robotics Coordination: In robotics and automation, Agentic AI underpins collaborative behav- ior in multi-robot systems. Each robot operates as a task specialized agent such as pickers, transporters, or mappers while an orchestrator supervises and adapts workflows. These architectures rely on shared spatial memory, real-time sensor fusion, and inter-agent syn- chronization for coordinated physical actions. Use cases include warehouse automation, drone-based orchard in- spection, and robotic harvesting [151]. For instance, agricultural drone swarms may collectively map tree rows, identify diseased fruits, and initiate mechanical interventions. This dynamic allocation enables real-time reconfiguration and autonomy across agents facing un- certain or evolving environments. For example, in commercial apple orchards (Figure 11b), Agentic AI enables a coordinated multi-robot system to optimize the harvest season. Here, task-specialized robots such as autonomous pickers, fruit classifiers, transport bots, and drone mappers operate as agentic units under a central orchestrator. The mapping drones first survey the orchard and use vision-language models (VLMs) to generate high-resolution yield maps and identify ripe clusters. This spatial data is shared via a centralized memory layer accessible by all agents. Picker robots are assigned to high-density zones, guided by path-planning agents that optimize routes around obsta- cles and labor zones. Simultaneously, transport agents dynamically shuttle crates between pickers and storage, adjusting tasks in response to picker load levels and terrain changes. All agents communicate asynchronously through a shared protocol, and the orchestrator contin- uously adjusts task priorities based on weather fore- casts or mechanical faults. If one picker fails, nearby units autonomously reallocate workload. This adaptive, memory-driven coordination exemplifies Agentic AI’s potential to reduce labor costs, increase harvest effi- ciency, and respond to uncertainties in complex agricul- tural environments far surpassing the rigid programming of legacy agricultural robots [94], [151]. 3) Collaborative Medical Decision Support: In high- stakes clinical environments, Agentic AI enables dis- tributed medical reasoning by assigning tasks such as diagnostics, vital monitoring, and treatment planning to specialized agents. For example, one agent may retrieve patient history, another validates findings against diagnostic guidelines, and a third proposes treatment op- tions. These agents synchronize through shared memory and reasoning chains, ensuring coherent and safe rec- ommendations. Applications include ICU management, radiology triage, and pandemic response. Real-world pilots show improved efficiency and decision accuracy compared to isolated expert systems [92]. For example, in a hospital ICU (Figure 11c), an agentic AI system supports clinicians in managing complex patient cases. A diagnostic agent continuously ana- lyzes vitals and lab data for early detection of sepsis risk. Simultaneously, a history retrieval agent accesses electronic health records (EHRs) to summarize comor- bidities and recent procedures. A treatment planning agent cross-references current symptoms with clinical guidelines (e.g., Surviving Sepsis Campaign), proposing antibiotic regimens or fluid protocols. The orchestra- tor integrates these insights, ensures consistency, and surfaces conflicts for human review. Feedback from physicians is stored in a persistent memory module, allowing agents to refine their reasoning based on prior interventions and outcomes. This coordinated system enhances clinical workflow by reducing cognitive load, shortening decision times, and minimizing oversight risks. Early deployments in critical care and oncology units have demonstrated increased diagnostic precision and better adherence to evidence-based protocols, offer- ing a scalable solution for safer, real-time collaborative medical support. 4) Multi-Agent Game AI and Adaptive Workflow Au- tomation: In simulation environments and enterprise systems, Agentic AI facilitates decentralized task exe- cution and emergent coordination. Game platforms like AI Dungeon deploy independent NPC agents with goals,
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Central Memory Layer Retrieve prior proposals Align with solicitation Structure the document Store evolving drafts Goal Module Memory Store (a) (b) (c) (d) Using Agentic AI to coordinate robotic harvest Fig. 11: Illustrative Applications of Agentic AI Across Domains: Figure 11 presents four real-world applications of agentic AI systems. (a) Automated grant writing using multi-agent orchestration for structured literature analysis, compliance alignment, and document formatting. (b) Coordinated multi-robot harvesting in apple orchards using shared spatial memory and task- specific agents for mapping, picking, and transport. (c) Clinical decision support in hospital ICUs through synchronized agents for diagnostics, treatment planning, and EHR analysis, enhancing safety and workflow efficiency. (d) Cybersecurity incident response in enterprise environments via agents handling threat classification, compliance analysis, and mitigation planning. In all cases, central orchestrators manage inter-agent communication, shared memory enables context retention, and feedback mechanisms drive continual learning. These use cases highlight agentic AI’s capacity for scalable, autonomous task coordination in complex, dynamic environments across science, agriculture, healthcare, and IT security. memory, and dynamic interactivity to create emergent narratives and social behavior. In enterprise workflows, systems such as MultiOn and Cognosys use agents to manage processes like legal review or incident esca- lation, where each step is governed by a specialized module. These architectures exhibit resilience, exception handling, and feedback-driven adaptability far beyond rule-based pipelines. For example, in a modern enterprise IT environment (as depicted in Figure 11d), Agentic AI systems are increasingly deployed to autonomously manage cyber- security incident response workflows. When a potential
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threat is detected such as abnormal access patterns or unauthorized data exfiltration, specialized agents are activated in parallel. One agent performs real-time threat classification using historical breach data and anomaly detection models. A second agent queries relevant log data from network nodes and correlates patterns across systems. A third agent interprets compliance frameworks (e.g., GDPR or HIPAA) to assess the regulatory sever- ity of the event. A fourth agent simulates mitigation strategies and forecasts operational risks. These agents coordinate under a central orchestrator that evaluates collective outputs, integrates temporal reasoning, and issues recommended actions to human analysts. Through shared memory structures and iterative feedback, the system learns from prior incidents, enabling faster and more accurate responses in future cases. Compared to traditional rule-based security systems, this agentic model enhances decision latency, reduces false positives, and supports proactive threat containment in large-scale organizational infrastructures [94]. V. C HALLENGES AND LIMITATIONS IN AI AGENTS AND AGENTIC AI To systematically understand the operational and theoret- ical limitations of current intelligent systems, we present a comparative visual synthesis in Figure 12, which categorizes challenges and potential remedies across both AI Agents and Agentic AI paradigms. Figure 12a outlines the four most pressing limitations specific to AI Agents namely, lack of causal reasoning, inherited LLM constraints (e.g., hallucina- tions, shallow reasoning), incomplete agentic properties (e.g., autonomy, proactivity), and failures in long-horizon planning and recovery. These challenges often arise due to their reliance on stateless LLM prompts, limited memory, and heuristic reasoning loops. In contrast, Figure 12b identifies eight critical bottlenecks unique to Agentic AI systems, such as inter-agent error cas- cades, coordination breakdowns, emergent instability, scala- bility limits, and explainability issues. These challenges stem from the complexity of orchestrating multiple agents across distributed tasks without standardized architectures, robust communication protocols, or causal alignment frameworks. Figure 13 complements this diagnostic framework by syn- thesizing ten forward-looking design strategies aimed at mit- igating these limitations. These include Retrieval-Augmented Generation (RAG), tool-based reasoning [126], [127], [129], agentic feedback loops (ReAct [132]), role-based multi-agent orchestration, memory architectures, causal modeling, and governance-aware design. Together, these three panels offer a consolidated roadmap for addressing current pitfalls and accelerating the development of safe, scalable, and context- aware autonomous systems. 1) Challenges and Limitations of AI Agents: While AI Agents have garnered considerable attention for their ability to automate structured tasks using LLMs and tool-use interfaces, the literature highlights significant theoretical and practical TABLE XI: Representative Agentic AI Models (2023–2025): Applications and Operational Characteristics Model / Reference Application Area Operation as Agentic AI Auto-GPT [30] Task Automation Decomposes high-level goals, executes subtasks via tools/APIs, and iteratively self-corrects. GPT Engineer Open Source (2023) GPT Engineer Code Generation Builds entire codebases: plans, writes, tests, and re- fines based on output. MetaGPT [151]) Software Collab- oration Coordinates specialized agents (e.g., coder, tester) for modular multi-role project development. BabyAGI Nakajima (2024) BabyAGI Project Manage- ment Continuously creates, pri- oritizes, and executes sub- tasks to adaptively meet user goals. V oyager Wang et al. (2023) [169] Game Exploration Learns in Minecraft, in- vents new skills, sets sub- goals, and adapts strategy in real time. CAMEL Liu et al. (2023) [170] Multi-Agent Simulation Simulates agent societies with communication, ne- gotiation, and emergent collaborative behavior. Einstein Copilot Salesforce (2024) Ein- stein Copilot Customer Automation Automates full support workflows, escalates is- sues, and improves via feedback loops. Copilot Studio (Agentic Mode) Microsoft (2025) Github Agentic Copilot Productivity Au- tomation Manages documents, meetings, and projects across Microsoft 365 with adaptive orchestration. Atera AI Copilot Atera (2025) Atera Agentic AI IT Operations Diagnoses/resolves IT is- sues, automates ticketing, and learns from evolving infrastructures. AES Safety Audit Agent AES (2025) AES agentic Industrial Safety Automates audits, assesses compliance, and evolves strategies to enhance safety outcomes. DeepMind Gato (Agentic Mode) Reed et al. (2022) [171] General Robotics Performs varied tasks across modalities, dynamically learns, plans, and executes. GPT-4o + Plugins OpenAI (2024) GPT- 4O Agentic Enterprise Automation Manages complex work- flows, integrates external tools, and executes adap- tive decisions. limitations that inhibit their reliability, generalization, and long-term autonomy [132], [158]. These challenges arise from both the architectural dependence on static, pretrained models and the difficulty of instilling agentic qualities such as causal reasoning, planning, and robust adaptation. The key challenges and limitations (Figure 12a) of AI Agents are as summarized into following five points: 1) Lack of Causal Understanding: One of the most foun- dational challenges lies in the agents’ inability to reason causally [172], [173]. Current LLMs, which form the cognitive core of most AI Agents, excel at identifying
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(a) (b) Fig. 12: Illustration of Chellenges: (a) Key limitations of AI Agents including causality deficits and shallow reasoning. (b) Amplified coordination and stability challenges in Agentic AI systems. statistical correlations within training data. However, as noted in recent research from DeepMind and conceptual analyses by TrueTheta, they fundamentally lack the capacity for causal modeling distinguishing between mere association and cause-effect relationships [174]– [176]. For instance, while an LLM-powered agent might learn that visiting a hospital often co-occurs with illness, it cannot infer whether the illness causes the visit or vice versa, nor can it simulate interventions or hypothetical changes. This deficit becomes particularly problematic under distributional shifts, where real-world conditions differ from the training regime [177], [178]. Without such grounding, agents remain brittle, failing in novel or high-stakes scenarios. For example, a navigation agent that excels in urban driving may misbehave in snow or construction zones if it lacks an internal causal model of road traction or spatial occlusion. 2) Inherited Limitations from LLMs: AI Agents, particu- larly those powered by LLMs, inherit a number of intrin- sic limitations that impact their reliability, adaptability, and overall trustworthiness in practical deployments [179]–[181]. One of the most prominent issues is the ten- dency to produce hallucinations plausible but factually incorrect outputs. In high-stakes domains such as legal consultation or scientific research, these hallucinations can lead to severe misjudgments and erode user trust [182], [183]. Compounding this is the well-documented prompt sensitivity of LLMs, where even minor varia- tions in phrasing can lead to divergent behaviors. This brittleness hampers reproducibility, necessitating metic- ulous manual prompt engineering and often requiring domain-specific tuning to maintain consistency across interactions [184]. Furthermore, while recent agent frameworks adopt rea- soning heuristics like Chain-of-Thought (CoT) [159], [185] and ReAct [132] to simulate deliberative pro- cesses, these approaches remain shallow in semantic comprehension. Agents may still fail at multi-step in- ference, misalign task objectives, or make logically inconsistent conclusions despite the appearance of struc- tured reasoning [132]. Such shortcomings underscore the absence of genuine understanding and generalizable planning capabilities. Another key limitation lies in computational cost and latency. Each cycle of agentic decision-making partic- ularly in planning or tool-calling may require several LLM invocations. This not only increases runtime la- tency but also scales resource consumption, creating practical bottlenecks in real-world deployments and cloud-based inference systems. Furthermore, LLMs have a static knowledge cutoff and cannot dynamically in- tegrate new information unless explicitly augmented via retrieval or tool plugins. They also reproduce the biases of their training datasets, which can manifest as culturally insensitive or skewed responses [186], [187]. Without rigorous auditing and mitigation strategies, these issues pose serious ethical and operational risks, particularly when agents are deployed in sensitive or user-facing contexts. 3) Incomplete Agentic Properties: A major limitation of current AI Agents is their inability to fully satisfy the canonical agentic properties defined in foundational literature, such as autonomy, proactivity, reactivity, and social ability [142], [181]. While many systems mar- keted as ”agents” leverage LLMs to perform useful tasks, they often fall short of these fundamental cri- teria in practice. Autonomy, for instance, is typically
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partial at best. Although agents can execute tasks with minimal oversight once initialized, they remain heavily reliant on external scaffolding such as human-defined prompts, planning heuristics, or feedback loops to func- tion effectively [188]. Self-initiated task generation, self- monitoring, or autonomous error correction are rare or absent, limiting their capacity for true independence. Proactivity is similarly underdeveloped. Most AI Agents require explicit user instruction to act and lack the capac- ity to formulate or reprioritize goals dynamically based on contextual shifts or evolving objectives [189]. As a result, they behave reactively rather than strategically, constrained by the static nature of their initialization. Re- activity itself is constrained by architectural bottlenecks. Agents do respond to environmental or user input, but response latency caused by repeated LLM inference calls [190], [191], coupled with narrow contextual memory windows [161], [192], inhibits real-time adaptability. Perhaps the most underexplored capability is social ability. True agentic systems should communicate and coordinate with humans or other agents over extended interactions, resolving ambiguity, negotiating tasks, and adapting to social norms. However, existing implementations exhibit brittle, template-based dialogue that lacks long-term memory integration or nuanced conversational context. Agent- to-agent interaction is often hardcoded or limited to scripted exchanges, hindering collaborative execution and emergent behavior [101], [193]. Collectively, these deficiencies reveal that while AI Agents demonstrate functional intelligence, they remain far from meeting the formal benchmarks of intelligent, interactive, and adap- tive agents. Bridging this gap is essential for advancing toward more autonomous, socially capable AI systems. 4) Limited Long-Horizon Planning and Recovery: A persistent limitation of current AI Agents lies in their inability to perform robust long-horizon planning, es- pecially in complex, multi-stage tasks. This constraint stems from their foundational reliance on stateless prompt-response paradigms, where each decision is made without an intrinsic memory of prior reasoning steps unless externally managed. Although augmenta- tions such as the ReAct framework [132] or Tree- of-Thoughts [160] introduce pseudo-recursive reason- ing, they remain fundamentally heuristic and lack true internal models of time, causality, or state evolution. Consequently, agents often falter in tasks requiring ex- tended temporal consistency or contingency planning. For example, in domains such as clinical triage or financial portfolio management, where decisions depend on prior context and dynamically unfolding outcomes, agents may exhibit repetitive behaviors such as endlessly querying tools or fail to adapt when sub-tasks fail or return ambiguous results. The absence of systematic recovery mechanisms or error detection leads to brittle workflows and error propagation. This shortfall severely limits agent deployment in mission-critical environments where reliability, fault tolerance, and sequential coher- ence are essential. 5) Reliability and Safety Concerns: AI Agents are not yet safe or verifiable enough for deployment in critical infrastructure [194]. The absence of causal reasoning leads to unpredictable behavior under distributional shift [173], [195]. Furthermore, evaluating the correctness of an agent’s plan especially when the agent fabricates intermediate steps or rationales remains an unsolved problem in interpretability [110], [196]. Safety guaran- tees, such as formal verification, are not yet available for open-ended, LLM-powered agents. While AI Agents represent a major step beyond static generative models, their limitations in causal reasoning, adaptability, robust- ness, and planning restrict their deployment in high- stakes or dynamic environments. Most current systems rely on heuristic wrappers and brittle prompt engineering rather than grounded agentic cognition. Bridging this gap will require future systems to integrate causal mod- els, dynamic memory, and verifiable reasoning mech- anisms. These limitations also set the stage for the emergence of Agentic AI systems, which attempt to address these bottlenecks through multi-agent collabo- ration, orchestration layers, and persistent system-level context. 2) Challenges and Limitations of Agentic AI: Agentic AI systems represent a paradigm shift from isolated AI agents to collaborative, multi-agent ecosystems capable of decomposing and executing complex goals [14]. These systems typically consist of orchestrated or communicating agents that interact via tools, APIs, and shared environments [18], [39]. While this architectural evolution enables more ambitious automa- tion, it introduces a range of amplified and novel challenges that compound existing limitations of individual LLM-based agents. The current challenges and limitations of Agentic AI are as follows: 1) Amplified Causality Challenges: One of the most critical limitations in Agentic AI systems is the magni- fication of causality deficits already observed in single- agent architectures. Unlike traditional AI Agents that operate in relatively isolated environments, Agentic AI systems involve complex inter-agent dynamics, where each agent’s action can influence the decision space of others. Without a robust capacity for modeling cause- effect relationships, these systems struggle to coordinate effectively and adapt to unforeseen environmental shifts. A key manifestation of this challenge is inter-agent distributional shift , where the behavior of one agent alters the operational context for others. In the absence of causal reasoning, agents are unable to anticipate the downstream impact of their outputs, resulting in coor- dination breakdowns or redundant computations [197]. Furthermore, these systems are particularly vulnerable to error cascades: a faulty or hallucinated output from one
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agent can propagate through the system, compounding inaccuracies and corrupting subsequent decisions. For example, if a verification agent erroneously validates false information, downstream agents such as summariz- ers or decision-makers may unknowingly build upon that misinformation, compromising the integrity of the entire system. This fragility underscores the urgent need for integrating causal inference and intervention modeling into the design of multi-agent workflows, especially in high-stakes or dynamic environments where systemic robustness is essential. 2) Communication and Coordination Bottlenecks: A fundamental challenge in Agentic AI lies in achieving efficient communication and coordination across mul- tiple autonomous agents. Unlike single-agent systems, Agentic AI involves distributed agents that must col- lectively pursue a shared objective necessitating precise alignment, synchronized execution, and robust commu- nication protocols. However, current implementations fall short in these aspects. One major issue is goal alignment and shared context , where agents often lack a unified semantic understanding of overarching objec- tives. This hampers sub-task decomposition, dependency management, and progress monitoring, especially in dynamic environments requiring causal awareness and temporal coherence. In addition, protocol limitations significantly hinder inter-agent communication. Most systems rely on nat- ural language exchanges over loosely defined interfaces, which are prone to ambiguity, inconsistent formatting, and contextual drift. These communication gaps lead to fragmented strategies, delayed coordination, and de- graded system performance. Furthermore, resource con- tention emerges as a systemic bottleneck when agents simultaneously access shared computational, memory, or API resources. Without centralized orchestration or intelligent scheduling mechanisms, these conflicts can result in race conditions, execution delays, or outright system failures. Collectively, these bottlenecks illustrate the immaturity of current coordination frameworks in Agentic AI, and highlight the pressing need for stan- dardized communication protocols, semantic task plan- ners, and global resource managers to ensure scalable, coherent multi-agent collaboration. 3) Emergent Behavior and Predictability: One of the most critical limitations of Agentic AI lies in managing emergent behavior complex system-level phenomena that arise from the interactions of autonomous agents. While such emergence can potentially yield adaptive and innovative solutions, it also introduces significant unpre- dictability and safety risks [153], [198]. A key concern is the generation of unintended outcomes , where agent interactions result in behaviors that were not explicitly programmed or foreseen by system designers. These behaviors may diverge from task objectives, generate misleading outputs, or even enact harmful actions par- ticularly in high-stakes domains like healthcare, finance, or critical infrastructure. As the number of agents and the complexity of their interactions grow, so too does the likelihood of system instability. This includes phenomena such as infinite planning loops, action deadlocks, and contradictory behaviors emerging from asynchronous or misaligned agent decisions. Without centralized arbitration mecha- nisms, conflict resolution protocols, or fallback strate- gies, these instabilities compound over time, making the system fragile and unreliable. The stochasticity and opacity of large language model-based agents further exacerbate this issue, as their internal decision logic is not easily interpretable or verifiable. Consequently, en- suring the predictability and controllability of emergent behavior remains a central challenge in designing safe and scalable Agentic AI systems. 4) Scalability and Debugging Complexity: As Agen- tic AI systems scale in both the number of agents and the diversity of specialized roles, maintaining sys- tem reliability and interpretability becomes increas- ingly complex [199], [200]. A central limitation stems from the black-box chains of reasoning characteristic of LLM-based agents. Each agent may process inputs through opaque internal logic, invoke external tools, and communicate with other agents all of which occur through multiple layers of prompt engineering, reason- ing heuristics, and dynamic context handling. Tracing the root cause of a failure thus requires unwinding nested sequences of agent interactions, tool invocations, and memory updates, making debugging non-trivial and time-consuming. Another significant constraint is the system’s non- compositionality. Unlike traditional modular systems, where adding components can enhance overall func- tionality, introducing additional agents in an Agentic AI architecture often increases cognitive load, noise, and coordination overhead. Poorly orchestrated agent networks can result in redundant computation, contradic- tory decisions, or degraded task performance. Without robust frameworks for agent role definition, communica- tion standards, and hierarchical planning, the scalability of Agentic AI does not necessarily translate into greater intelligence or robustness. These limitations highlight the need for systematic architectural controls and trace- ability tools to support the development of reliable, large-scale agentic ecosystems. 5) Trust, Explainability, and Verification: Agentic AI systems pose heightened challenges in explainability and verifiability due to their distributed, multi-agent architec- ture. While interpreting the behavior of a single LLM- powered agent is already non-trivial, this complexity is multiplied when multiple agents interact asynchronously through loosely defined communication protocols. Each agent may possess its own memory, task objective, and reasoning path, resulting in compounded opacity where
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tracing the causal chain of a final decision or failure becomes exceedingly difficult. The lack of shared, trans- parent logs or interpretable reasoning paths across agents makes it nearly impossible to determine why a particular sequence of actions occurred or which agent initiated a misstep. Compounding this opacity is the absence of formal verification tools tailored for Agentic AI. Unlike tra- ditional software systems, where model checking and formal proofs offer bounded guarantees, there exists no widely adopted methodology to verify that a multi- agent LLM system will perform reliably across all input distributions or operational contexts. This lack of verifia- bility presents a significant barrier to adoption in safety- critical domains such as autonomous vehicles, finance, and healthcare, where explainability and assurance are non-negotiable. To advance Agentic AI safely, future research must address the foundational gaps in causal traceability, agent accountability, and formal safety guar- antees. 6) Security and Adversarial Risks: Agentic AI architec- tures introduce a significantly expanded attack surface compared to single-agent systems, exposing them to complex adversarial threats. One of the most critical vulnerabilities lies in the presence of a single point of compromise. Since Agentic AI systems are composed of interdependent agents communicating over shared mem- ory or messaging protocols, the compromise of even one agent through prompt injection, model poisoning, or adversarial tool manipulation can propagate malicious outputs or corrupted state across the entire system. For example, a fact-checking agent fed with tampered data could unintentionally legitimize false claims, which are then integrated into downstream reasoning by summa- rization or decision-making agents. Moreover, inter-agent dynamics themselves are suscepti- ble to exploitation. Attackers can induce race conditions, deadlocks, or resource exhaustion by manipulating the coordination logic between agents. Without rigorous authentication, access control, and sandboxing mech- anisms, malicious agents or corrupted tool responses can derail multi-agent workflows or cause erroneous escalation in task pipelines. These risks are exacerbated by the absence of standardized security frameworks for LLM-based multi-agent systems, leaving most current implementations defenseless against sophisticated multi- stage attacks. As Agentic AI moves toward broader adoption, especially in high-stakes environments, em- bedding secure-by-design principles and adversarial ro- bustness becomes an urgent research imperative. 7) Ethical and Governance Challenges: The distributed and autonomous nature of Agentic AI systems intro- duces profound ethical and governance concerns, par- ticularly in terms of accountability, fairness, and value alignment. In multi-agent settings, accountability gaps emerge when multiple agents interact to produce an outcome, making it difficult to assign responsibility for errors or unintended consequences. This ambiguity complicates legal liability, regulatory compliance, and user trust, especially in domains such as healthcare, finance, or defense. Furthermore, bias propagation and amplification present a unique challenge: agents in- dividually trained on biased data may reinforce each other’s skewed decisions through interaction, leading to systemic inequities that are more pronounced than in isolated models. These emergent biases can be subtle and difficult to detect without longitudinal monitoring or audit mechanisms. Additionally, misalignment and value drift pose serious risks in long-horizon or dynamic environments. With- out a unified framework for shared value encoding, individual agents may interpret overarching objectives differently or optimize for local goals that diverge from human intent. Over time, this misalignment can lead to behavior that is inconsistent with ethical norms or user expectations. Current alignment methods, which are mostly designed for single-agent systems, are inadequate for managing value synchronization across heteroge- neous agent collectives. These challenges highlight the urgent need for governance-aware agent architectures, incorporating principles such as role-based isolation, traceable decision logging, and participatory oversight mechanisms to ensure ethical integrity in autonomous multi-agent systems. 8) Immature Foundations and Research Gaps: Despite rapid progress and high-profile demonstrations, Agentic AI remains in a nascent research stage with unresolved foundational issues that limit its scalability, reliability, and theoretical grounding. A central concern is the lack of standard architectures . There is currently no widely accepted blueprint for how to design, monitor, or evaluate multi-agent systems built on LLMs . This architectural fragmentation makes it difficult to compare implementations, replicate experiments, or generalize findings across domains. Key aspects such as agent orchestration, memory structures, and communication protocols are often implemented ad hoc, resulting in brittle systems that lack interoperability and formal guarantees. Equally critical is the absence of causal foundations as scalable causal discovery and reasoning remain unsolved challenges [201]. Without the ability to represent and reason about cause-effect relationships, Agentic AI sys- tems are inherently limited in their capacity to generalize safely beyond narrow training regimes [178], [202]. This shortfall affects their robustness under distributional shifts, their capacity for proactive intervention, and their ability to simulate counterfactuals or hypothetical plans core requirements for intelligent coordination and decision-making. The gap between functional demos and principled de- sign thus underscores an urgent need for foundational
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Retrieval-Augmented Generation (RAG) Tool-Augmented Reasoning (Function Calling) Agentic Loop: Reasoning, Action, Observation Reflexive and Self- Critique Mechanisms Programmatic Prompt Engineering Pipelines Causal Modeling and Simulation- Based Planning Governance-Aware Architectures (Accountability + Role Isolation) Monitoring, Auditing, and Explainability Pipelines Memory Architectures (Episodic, Semantic, Vector) Multi-Agent Orchestration with Role Specialization Fig. 13: Ten emerging architectural and algorithmic solutions such as RAG, tool use, memory, orchestration, and reflexive mechanisms addressing reliability, scalability, and explainability across both paradigms (AI Agents and Agentic AI) research in multi-agent system theory, causal infer- ence integration, and benchmark development. Only by addressing these deficiencies can the field progress from prototype pipelines to trustworthy, general-purpose agentic frameworks suitable for deployment in high- stakes environments. VI. P OTENTIAL SOLUTIONS AND FUTURE ROADMAP The potential solutions (as illustrated in Figure 13) to these challenges and limitations of AI agents and Agentic AI are summarized in the following points: 1) Retrieval-Augmented Generation (RAG): For AI Agents, Retrieval-Augmented Generation mitigates hal- lucinations and expands static LLM knowledge by grounding outputs in real-time data [203]. By embed- ding user queries and retrieving semantically relevant documents from vector databases like FAISS Faiss or Pinecone Pinecone, agents can generate contextually valid responses rooted in external facts. This is par- ticularly effective in domains such as enterprise search and customer support, where accuracy and up-to-date knowledge are essential. In Agentic AI systems, RAG serves as a shared ground- ing mechanism across agents. For example, a summa- rizer agent may rely on the retriever agent to access the latest scientific papers before generating a synthesis. Persistent, queryable memory allows distributed agents to operate on a unified semantic layer, mitigating in- consistencies due to divergent contextual views. When implemented across a multi-agent system, RAG helps maintain shared truth, enhances goal alignment, and reduces inter-agent misinformation propagation. 2) Tool-Augmented Reasoning (Function Calling): AI Agents benefit significantly from function calling, which extends their ability to interact with real-world systems [167], [204]. Agents can query APIs, run local scripts, or access structured databases, thus transforming LLMs from static predictors into interactive problem-solvers [131], [162]. This allows them to dynamically retrieve weather forecasts, schedule appointments, or execute Python-based calculations, all beyond the capabilities of pure language modeling. For Agentic AI, function calling supports agent level autonomy and role differentiation. Agents within a team may use APIs to invoke domain-specific actions such as querying clinical databases or generating visual charts based on assigned roles. Function calls become part of an orchestrated pipeline, enabling fluid delegation across agents [205]. This structured interaction reduces ambiguity in task handoff and fosters clearer behavioral boundaries, especially when integrated with validation protocols or observation mechanisms [14], [18]. 3) Agentic Loop: Reasoning, Action, Observation: AI Agents often suffer from single-pass inference limita- tions. The ReAct pattern introduces an iterative loop where agents reason about tasks, act by calling tools or APIs, and then observe results before continuing. This feedback loop allows for more deliberate, context- sensitive behaviors. For example, an agent may verify retrieved data before drafting a summary, thereby re- ducing hallucination and logical errors. In Agentic AI, this pattern is critical for collaborative coherence. ReAct enables agents to evaluate dependencies dynamically reasoning over intermediate states, re-invoking tools if needed, and adjusting decisions as the environment
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evolves. This loop becomes more complex in multi- agent settings where each agent’s observation must be reconciled against others’ outputs. Shared memory and consistent logging are essential here, ensuring that the reflective capacity of the system is not fragmented across agents [132]. 4) Memory Architectures (Episodic, Semantic, Vector): AI Agents face limitations in long-horizon planning and session continuity. Memory architectures address this by persisting information across tasks [206]. Episodic mem- ory allows agents to recall prior actions and feedback, semantic memory encodes structured domain knowl- edge, and vector memory enables similarity-based re- trieval [207]. These elements are key for personalization and adaptive decision-making in repeated interactions. Agentic AI systems require even more sophisticated memory models due to distributed state management. Each agent may maintain local memory while accessing shared global memory to facilitate coordination. For ex- ample, a planner agent might use vector-based memory to recall prior workflows, while a QA agent references semantic memory for fact verification. Synchronizing memory access and updates across agents enhances consistency, enables context-aware communication, and supports long-horizon system-level planning. 5) Multi-Agent Orchestration with Role Specialization: In AI Agents, task complexity is often handled via mod- ular prompt templates or conditional logic. However, as task diversity increases, a single agent may become overloaded [208], [209]. Role specialization splitting tasks into subcomponents (e.g., planner, summarizer) al- lows lightweight orchestration even within single-agent systems by simulating compartmentalized reasoning. In Agentic AI, orchestration is central. A meta-agent or orchestrator distributes tasks among specialized agents, each with distinct capabilities. Systems like MetaGPT and ChatDev exemplify this: agents emulate roles such as CEO, engineer, or reviewer, and interact through structured messaging. This modular approach enhances interpretability, scalability, and fault isolation ensuring that failures in one agent do not cascade without con- tainment mechanisms from the orchestrator. 6) Reflexive and Self-Critique Mechanisms: AI Agents often fail silently or propagate errors. Reflexive mech- anisms introduce the capacity for self-evaluation [210], [211]. After completing a task, agents can critique their own outputs using a secondary reasoning pass, increas- ing robustness and reducing error rates. For example, a legal assistant agent might verify that its drafted clause matches prior case laws before submission. For Agentic AI, reflexivity extends beyond self-critique to inter-agent evaluation. Agents can review each other’s outputs e.g., a verifier agent auditing a summarizer’s work. Reflexion-like mechanisms ensure collaborative quality control and enhance trustworthiness [212]. Such patterns also support iterative improvement and adaptive replanning, particularly when integrated with memory logs or feedback queues [213], [214]. 7) Programmatic Prompt Engineering Pipelines: Man- ual prompt tuning introduces brittleness and reduces reproducibility in AI Agents. Programmatic pipelines automate this process using task templates, context fillers, and retrieval-augmented variables [215], [216]. These dynamic prompts are structured based on task type, agent role, or user query, improving generalization and reducing failure modes associated with prompt variability. In Agentic AI, prompt pipelines enable scal- able, role-consistent communication. Each agent type (e.g., planner, retriever, summarizer) can generate or consume structured prompts tailored to its function. By automating message formatting, dependency tracking, and semantic alignment, programmatic prompting pre- vents coordination drift and ensures consistent reasoning across diverse agents in real time [14], [167]. 8) Causal Modeling and Simulation-Based Planning: AI Agents often operate on statistical correlations rather than causal models, leading to poor generalization under distribution shifts. Embedding causal inference allows agents to distinguish between correlation and causation, simulate interventions, and plan more robustly. For instance, in supply chain scenarios, a causally aware agent can simulate the downstream impact of shipment delays. In Agentic AI, causal reasoning is vital for safe coordination and error recovery. Agents must anticipate how their actions impact others requiring causal graphs, simulation environments, or Bayesian inference layers. For example, a planning agent may simulate different strategies and communicate likely outcomes to others, fostering strategic alignment and avoiding unintended emergent behaviors. To enforce cooperative behavior, agents can be governed by a structured planning ap- proach such as STRIPS or PDDL (Planning Domain Definition Language), where the environment is modeled with defined actions, preconditions, and effects. Inter- agent dependencies are encoded such that one agent’s action enables another’s, and a centralized or distributed planner ensures that all agents contribute to a shared goal. This unified framework supports strategic align- ment, anticipatory planning, and minimizes unintended emergent behaviors in multi-agent systems. 9) Monitoring, Auditing, and Explainability Pipelines: AI Agents lack transparency, complicating debugging and trust. Logging systems that record prompts, tool calls, memory updates, and outputs enable post-hoc analysis and performance tuning. These records help developers trace faults, refine behavior, and ensure compliance with usage guidelines especially critical in enterprise or legal domains. For Agentic AI, logging and explainability are exponentially more important. With multiple agents interacting asynchronously, audit trails are essential for identifying which agent caused an error and under what conditions. Explainability pipelines that
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AI Agents Proactive Intelligence Tool Integration Causal Reasoning Continuous Learning Trust & Safety Agentic AI Multi-Agent Scaling Unified Or- chestration Persistent Memory Simulation Planning Ethical Governance Domain- Specific Systems Fig. 14: Mindmap visualization of the future roadmap for AI Agents and Agentic AI. integrate across agents (e.g., timeline visualizations or dialogue replays) are key to ensuring safety, especially in regulatory or multi-stakeholder environments. 10) Governance-Aware Architectures (Accountability and Role Isolation): AI Agents currently lack built- in safeguards for ethical compliance or error attribution. Governance-aware designs introduce role-based access control, sandboxing, and identity resolution to ensure agents act within scope and their decisions can be audited or revoked. These structures reduce risks in sensitive applications such as healthcare or finance. In Agentic AI, governance must scale across roles, agents, and workflows. Role isolation prevents rogue agents from exceeding authority, while accountability mechanisms assign responsibility for decisions and trace causality across agents. Compliance protocols, ethical alignment checks, and agent authentication ensure safety in collaborative settings paving the way for trustworthy AI ecosystems. AI Agents are projected to evolve significantly through enhanced modular intelligence focused on five key domains as depicted in Figure 14 as : proactive reasoning, tool integration, causal inference, continual learning, and trust-centric opera- tions. The first transformative milestone involves transitioning from reactive to Proactive Intelligence, where agents initiate tasks based on learned patterns, contextual cues, or latent goals rather than awaiting explicit prompts. This advancement depends heavily on robust Tool Integration, enabling agents to dynamically interact with external systems, such as databases, APIs, or simulation environments, to fulfill complex user tasks. Equally critical is the development of Causal Reasoning, which will allow agents to move beyond statistical correlation, supporting inference of cause-effect relationships essential for tasks involving diagnosis, planning, or prediction. To maintain relevance over time, agents must adopt frameworks for Continuous Learning , incorporating feedback loops and episodic memory to adapt their behavior across sessions and environments. Lastly, to build user confidence, agents must prioritize Trust & Safety mechanisms through verifiable out- put logging, bias detection, and ethical guardrails especially as their autonomy increases. Together, these pathways will redefine AI Agents from static tools into adaptive cognitive systems capable of autonomous yet controllable operation in dynamic digital environments. Agentic AI, as a natural extension of these foundations, emphasizes collaborative intelligence through multi-agent co- ordination, contextual persistence, and domain-specific orches- tration. Future systems (Figure 14 right side) will exhibit Multi-Agent Scaling , enabling specialized agents to work in parallel under distributed control for complex problem-solving mirroring team-based human workflows. This necessitates a layer of Unified Orchestration, where meta-agents or orches- trators dynamically assign roles, monitor task dependencies, and mediate conflicts among subordinate agents. Sustained performance over time depends on Persistent Memory archi- tectures, which preserve semantic, episodic, and shared knowl- edge for agents to coordinate longitudinal tasks and retain state awareness. Simulation Planning is expected to become a core feature, allowing agent collectives to test hypotheti- cal strategies, forecast consequences, and optimize outcomes
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before real-world execution. Moreover, Ethical Governance frameworks will be essential to ensure responsible deployment defining accountability, oversight, and value alignment across autonomous agent networks. Finally, tailored Domain-Specific Systems will emerge in fields like law, medicine, and sup- ply chains, leveraging contextual specialization to outperform generic agents. This future positions Agentic AI not merely as a coordination layer on the top of AI Agents, but as a new paradigm for collective machine intelligence with adaptive planning, recursive reasoning, and collaborative cognition at its core. A transformative direction for future AI systems is intro- duced by the Absolute Zero: Reinforced Self-play Reasoning with Zero Data (AZR) framework, which reimagines the learn- ing paradigm for AI Agents and Agentic AI by removing dependency on external datasets [217]. Traditionally, both AI Agents and Agentic AI architectures have relied on human- annotated data, static knowledge corpora, or preconfigured environments factors that constrain scalability and adaptability in open-world contexts. AZR addresses this limitation by enabling agents to autonomously generate, validate, and solve their own tasks, using verifiable feedback mechanisms (e.g., code execution) to ground learning. This self-evolving mech- anism opens the door to truly autonomous reasoning agents capable of self-directed learning and adaptation in dynamic, data-scarce environments. In the context of Agentic AI—where multiple specialized agents collaborate within orchestrated workflows AZR lays the groundwork for agents to not only specialize but also co- evolve. For instance, scientific research pipelines could consist of agents that propose hypotheses, run simulations, validate findings, and revise strategies—entirely through self-play and verifiable reasoning, without continuous human oversight. By integrating the AZR paradigm, such systems can maintain persistent growth, knowledge refinement, and task flexibility across time. Ultimately, AZR highlights a future in which AI agents transition from static, pretrained tools to intelligent, self-improving ecosystems—positioning both AI Agents and Agentic AI at the forefront of next-generation artificial intel- ligence. VII. C ONCLUSION In this study, we presented a comprehensive literature-based evaluation of the evolving landscape of AI Agents and Agentic AI, offering a structured taxonomy that highlights foundational concepts, architectural evolution, application domains, and key limitations. Beginning with a foundational understanding, we characterized AI Agents as modular, task-specific entities with constrained autonomy and reactivity. Their operational scope is grounded in the integration of LLMs and LIMs, which serve as core reasoning modules for perception, language understanding, and decision-making. We identified generative AI as a functional precursor, emphasizing its limitations in autonomy and goal persistence, and examined how LLMs drive the progression from passive generation to interactive task completion through tool augmentation. This study then explored the conceptual emergence of Agentic AI systems as a transformative evolution from isolated agents to orchestrated, multi-agent ecosystems. We analyzed key differentiators such as distributed cognition, persistent memory, and coordinated planning that distinguish Agentic AI from conventional agent models. This was followed by a detailed breakdown of architectural evolution, highlight- ing the transition from monolithic, rule-based frameworks to modular, role specialized networks facilitated by orchestra- tion layers and reflective memory architectures. Additionally, this study then surveyed application domains in which these paradigms are deployed. For AI Agents, we illustrated their role in automating customer support, internal enterprise search, email prioritization, and scheduling. For Agentic AI, we demonstrated use cases in collaborative research, robotics, medical decision support, and adaptive workflow automation, supported by practical examples and industry-grade systems. Finally, this study provided a deep analysis of the challenges and limitations affecting both paradigms. For AI Agents, we discussed hallucinations, shallow reasoning, and planning constraints, while for Agentic AI, we addressed amplified causality issues, coordination bottlenecks, emergent behavior, and governance concerns. These insights offer a roadmap for future development and deployment of trustworthy, scalable agentic systems. ACKNOWLEDGEMENT This work was supported by the National Science Founda- tion and the United States Department of Agriculture, National Institute of Food and Agriculture through the “Artificial Intel- ligence (AI) Institute for Agriculture” Program under Award AWD003473, and AWD004595, Accession Number 1029004, ”Robotic Blossom Thinning with Soft Manipulators”. The publication of the article in OA mode was financially sup- ported by HEAL-Link. DECLARATIONS The authors declare no conflicts of interest. 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Dataset Card for RAGAS Golden Dataset Documents

A small, mixed‐format corpus to compare PDF, API, and web‐based document loader output from the LangChain ecosystem.

The code to run the Prefect prefect_docloader_pipeline.py pipeline is available in the RAGAS Golden Dataset Pipeline repository.

While several enhancements are planned for future iterations, the hands-on insights gained from this grassroots exploration of document loader behaviors proved too valuable -- things that become less obvious with additional complexity.

The "aha" moment
I was shocked to discover how dramatically the choice of extraction method affects both content quality and metadata richness. These differences directly impact retrieval accuracy in ways I never anticipated until seeing the evidence side-by-side.

Dataset Description

This dataset contains 56 examples drawn from three ArXiv preprints (IDs: 2505.10468, 2505.06913, 2505.06817) in May 2025, each loaded via:

  • PDF pages (50 records — one per page)
  • ArXiv metadata summaries (3 records)
  • Web HTML dumps (3 records)

Each item includes:

  • page_content — the extracted text (page or summary)
  • metadata_json — a JSON‐string of only non‐empty metadata fields

Why this dataset?
It lets you deep-dive on how different loader backends (PDF vs. arXiv API vs. web scrape) affect text extraction and metadata completeness in RAG ingestion pipelines.

Provenance

  • Source: arXiv.org preprints (May 2025)

  • Loaders:

    • PyPDFDirectoryLoader for PDF
    • ArxivLoader.get_summaries_as_docs() for API
    • WebBaseLoader for HTML
  • Processing:

    1. Tag each document with its loader type (pdf / arxiv / webbase).
    2. Prune out empty metadata fields.
    3. Serialize remaining metadata to a single JSON string.
    4. Bundle into a Hugging Face Dataset via datasets.Dataset.from_list().

Dataset Structure

Field Type Description
page_content string Full text extracted from the page/summary.
metadata_json string JSON‐encoded flat dict of non‐empty metadata.

All examples live in the train split (56 total).

Intended Uses

  • Benchmarking: Compare loader accuracy and completeness.
  • Pipeline Prototyping: Rapidly test ingestion logic in RAG systems.
  • Filtering Experiments: Use loader‐specific metadata to explore retrieval strategies.

Out-of-Scope

  • Large-scale LLM training (too small).
  • Tasks requiring human annotations or sensitive data.

Limitations & Risks

  • Domain bias: Only three computer-science preprints, same month.
  • Scale: Toy-scale corpus... unsuitable for production training.

Citation

@misc{branson2025ragas_gold_docs,
  title        = {RAGAS Golden Dataset Documents},
  author       = {Branson, Don},
  year         = {2025},
  howpublished = {\\url{https://huggingface.co/datasets/dwb2023/ragas-golden-dataset-documents}},
}

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