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News/Focal Reward: Balanced Reinforcement Learning under Rubric-Based Rewards
arxiv
PublishedMay 27, 2026 at 4:00 AM

Focal Reward: Balanced Reinforcement Learning under Rubric-Based Rewards

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arXiv:2605.26579v1 Announce Type: new Abstract: The open-ended generation in LLMs usually requires multi-dimensional rubrics to adequately assess quality and guide the improvement of reinforcement learning. However, a critical dilemma inherent in this training paradigm is the imbalanced reward polar

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