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README.md
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### 🏆
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<a name="quick_start"></a>
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## ⚡ Quick Start (SGlang)
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The snippet below shows how to format prompts with LongWriter-Zero’s `<think> … </think><answer> … </answer>` protocol and call the model through an SGlang-powered endpoint supporting streaming responses.
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### 🏆 Win-Rate Results
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<a name="quick_start"></a>
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## ⚡ Quick Start (HF generate)
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```python
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model_name = "THU-KEG/LongWriter-Zero-32B"
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model = AutoModelForCausalLM.from_pretrained(
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model_name,
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torch_dtype="auto",
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device_map="auto"
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)
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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prompt = "Write a 500-word story."
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messages = [
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{"role": "user", "content": prompt}
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]
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text = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True
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)
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model_inputs = tokenizer([text], return_tensors="pt").to(model.device)
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generated_ids = model.generate(
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**model_inputs,
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max_new_tokens=2048,
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stop_strings=["<|user|>", "<|endoftext|>", "</answer>"],
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tokenizer=tokenizer
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)
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generated_ids = [
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output_ids[len(input_ids):] for input_ids, output_ids in zip(model_inputs.input_ids, generated_ids)
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]
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response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
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print(response)
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```
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*Note: We use a slightly different tokenizer and chat template compared to the original Qwen2.5-32B-Instruct model.*
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## ⚡ Quick Start (SGlang)
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The snippet below shows how to format prompts with LongWriter-Zero’s `<think> … </think><answer> … </answer>` protocol and call the model through an SGlang-powered endpoint supporting streaming responses.
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