Beyond Timestamps: Decision-Aligned On-Policy Distillation for Long-Horizon Agents
AlignOPSD is introduced, following the principle of aligning supervision before assigning credit, which outperforms both GRPO and StepOPSD across all eight backbone--aggregate-metric comparisons, improving on GRPO by 5.5--8.7 \% and ranking first in six.
Ming-Ju Chen, Can-Can Lv, Jin-Rong Liu et al.
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