GEPO: Group Expectation Policy Optimization for Stable Heterogeneous Reinforcement Learning
Han Zhang · Ruibin Zheng · ZEXUAN YI · Zhuo Zhang · Hanyang Peng · HUI WANG · Jiayin Qi · Binxing Fang · Ruifeng Xu · Yue Yu
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Han Zhang · Ruibin Zheng · ZEXUAN YI · Zhuo Zhang · Hanyang Peng · HUI WANG · Jiayin Qi · Binxing Fang · Ruifeng Xu · Yue Yu
Jinglong Luo · Zhuo Zhang · Yehong Zhang · Shiyu Liu · Ye Dong · HUI WANG · Yue Yu · Xun Zhou · Zenglin Xu
Zhuo Wang · Zhuo Zhang · Yafu Li · Yu Cheng · Lizhen Qu · Zenglin Xu
Large Language Models (LLMs) exhibit strong mathematical reasoning when trained on high-quality Chain-of-Thought (CoT) that articulates intermediate steps, yet costly CoT curation hinders further progress. While existing remedies such as distillation from stronger LLMs and self-synthesis based on...
Yiyang Zhao · Zhuo Zhang · Qingxuan Le · Lizhen Qu · Zenglin Xu