Conditional Equivalence of DPO and RLHF: Assumptions, Failure Modes, and Provable Alignment
Yonggang Zhang · Zhiqin Yang · Wei Xue · Dong Fang · Bo Han · Yike Guo
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Yonggang Zhang · Zhiqin Yang · Wei Xue · Dong Fang · Bo Han · Yike Guo
Tian Wen · Zhiqin Yang · Yonggang Zhang · Xuefeng Jiang · Hao Peng · Yuwei Wang · Bo Han
Shipeng Li · Zhiqin Yang · Shikun Li · Xiaobo Xia · Hengyu Liu · Xinghua Zhang · Gaode Chen · Dong Fang · Ying Tai · Zhe Peng
Reinforcement learning with verifiable rewards (RLVR) has become a key technique for enhancing LLMs’ reasoning abilities, yet its data inefficiency remains a major bottleneck. To address this critical yet challenging issue, we present a novel gradient-alignment-based method, named LearnAlign, whi...
Zhiwei Yang · Haimei Qin · Xiaoyan Yu · Hao Peng · Lei Jiang · Li Sun · Zhiqin Yang