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pipeline_tag: text-generation |
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license: other |
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language: |
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- en |
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- zh |
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# internlm2-chat-1_8b-ExPO |
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The extrapolated (ExPO) model based on [`internlm2-chat-1_8b`](https://huggingface.co/internlm/internlm2-chat-1_8b) and [`internlm/internlm2-chat-1_8b-sft`](https://huggingface.co/internlm/internlm2-chat-1_8b-sft), as in the "[Weak-to-Strong Extrapolation Expedites Alignment](https://arxiv.org/abs/2404.16792)" paper. |
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Specifically, we obtain this model by extrapolating **(alpha = 0.5)** from the weights of the SFT and DPO/RLHF checkpoints, achieving superior alignment with human preference. |
