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license: apache-2.0
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license: apache-2.0
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# Step-DPO: Step-wise Preference Optimization for Long-chain Reasoning of LLMs
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🖥️[Code](https://github.com/dvlab-research/Step-DPO) | 🤗[Data](https://huggingface.co/datasets/xinlai/Math-Step-DPO-10K) | 📄[Paper](https://arxiv.org/pdf/2406.18629)
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This repo contains the **Qwen2-7B-SFT-Step-DPO** model. It is obtained by performing **Step-DPO** on [**Qwen2-7B-SFT**](https://huggingface.co/xinlai/Qwen2-7B-SFT).
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**Step-DPO** is a simple, effective, and data-efficient method for boosting the mathematical reasoning ability of LLMs. Notably, Step-DPO, when applied to Qwen2-72B-Instruct, achieves scores of **70.8%** and **94.0%** on the test sets of **MATH** and **GSM8K** without bells and wistles, respectively, surpassing a series of closed-source models, including GPT-4-1106, Claude-3-Opus, and Gemini-1.5-Pro.
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## Contact
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Please submit an issue [here](https://github.com/dvlab-research/Step-DPO) or send me an email [here](mailto:xinlai@cse.cuhk.edu.hk).
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