Covariance-weighted GRPO with Gaussian-kernel reweighting tames extreme tokens to stabilize training and boost reasoning performance over standard GRPO.
Reinforcement Learning for Reasoning Tasks
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Taming Extreme Tokens: Covariance-Aware GRPO with Gaussian-Kernel Advantage Reweighting
Covariance-weighted GRPO with Gaussian-kernel reweighting tames extreme tokens to stabilize training and boost reasoning performance over standard GRPO.