Author

Jefferson Hernandez

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Preprint Aug 2026

SoftmaxGRPO: Learning to Reason using Softmax Advantage Group Estimation

Softmax Advantage Group Estimation (SoftmaxGRPO), a drop-in alternative that replaces z-score-normalized group advantages with temperature-scaled softmax advantages, keeping weights bounded regardless of prompt difficulty, is introduced.

Jefferson Hernandez, Jaywon Koo, Zi-Lin Xiao et al. · 0 citations