Unverified50% confidenceFactExact time
GRPO用组内基线替代传统价值函数估计，通过组内标准化A_i = (R_i - mean(R)) / std(R)计算优势值，省去单独训练价值网络的开销
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
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