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New RL methods tackle LLM training issues

Two new research papers introduce methods to improve the training of large language models using reinforcement learning. One paper addresses the issue of "advantage collapse" in Group Relative Policy Optimization (GRPO) by introducing a diagnostic metric and an adaptive extension called AVSPO. The other paper proposes Adaptive Group Policy Optimization (AGPO), which uses group-level statistics to dynamically adjust training parameters like clipping and decoding temperature, outperforming existing methods on several benchmarks. AI

影响 These new reinforcement learning techniques aim to enhance LLM reasoning capabilities and training stability, potentially leading to more robust and accurate models.

排序理由 Two academic papers published on arXiv introduce novel algorithms for improving LLM training.

在 arXiv cs.AI 阅读 →

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New RL methods tackle LLM training issues

报道来源 [3]

  1. arXiv cs.AI TIER_1 English(EN) · Miaobo Hu, Shuhao Hu, Bokun Wang, Ruohan Wang, Xin Wang, Xiaobo Guo, Daren Zha, Jun Xiao ·

    AGPO:具有双重统计反馈的自适应组策略优化

    arXiv:2605.20722v1 Announce Type: cross Abstract: Reinforcement learning improves LLM reasoning, but PPO/GRPO typically use fixed clipping and decoding temperature, which makes training brittle and tuning-heavy. We propose Adaptive Group Policy Optimization (AGPO), a critic-free …

  2. arXiv cs.LG TIER_1 English(EN) · Qingyong Hu ·

    群组相对策略优化中的优势崩溃:诊断与缓解

    Group Relative Policy Optimization (GRPO), a prominent algorithm within the Reinforcement Learning from Verifiable Rewards (RLVR) framework, has achieved strong results in improving the reasoning capabilities of large language models (LLMs). However, GRPO is prone to advantage co…

  3. arXiv cs.AI TIER_1 English(EN) · Jun Xiao ·

    AGPO:具有双重统计反馈的自适应组策略优化

    Reinforcement learning improves LLM reasoning, but PPO/GRPO typically use fixed clipping and decoding temperature, which makes training brittle and tuning-heavy. We propose Adaptive Group Policy Optimization (AGPO), a critic-free refinement of GRPO that uses group-level statistic…