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20202026
most citedCliME: Evaluating Multimodal Climate Discourse on Social Media and the Climate Alignment Quotient (CAQ)

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cs.LG2026

MMR-GRPO: Accelerating GRPO-Style Training through Diversity-Aware Reward Reweighting

Kangda Wei, Ruihong Huang

Group Relative Policy Optimization (GRPO) has become a standard approach for training mathematical reasoning models; however, its reliance on multiple completions per prompt makes…