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3 weeks ago
Aug. 14, 2026, 9:33 a.m. UTC
04 · DPO — Your Language Model is Secretly a Reward Model
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alignment
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dpo
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must-read
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post-training
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stanford
从 PPO 的 KL 正则最优解反解 reward。读 §4 + Appendix A.1,必须自己纸上推一遍
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