TurnOPD improves on-policy distillation for long-horizon agents by adaptively budgeting rollout depth and progressively shifting KL loss from token-level to turn-balanced weighting, achieving up to 2.29x faster training with better accuracy on ALFWorld, WebShop, and Multi-Hop Search.
Entropy-aware on-policy distillation of language models, 2026
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TurnOPD: Making On-Policy Distillation Turn-Aware for Efficient Long-Horizon Agent Training
TurnOPD improves on-policy distillation for long-horizon agents by adaptively budgeting rollout depth and progressively shifting KL loss from token-level to turn-balanced weighting, achieving up to 2.29x faster training with better accuracy on ALFWorld, WebShop, and Multi-Hop Search.