arXiv AI By Yangyang Feng, Zhuoyan Feng, Junlan Chen

PAST: Privileged Adaptation from Complete Student Trajectories for On-Policy Self-Distillation

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arXiv:2608. 08726v1 Announce Type: cross Abstract: On-policy self-distillation (OPSD) uses a privileged teacher to supervise a reasoning model on prefixes sampled from its own rollouts.

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arXiv AI
Jul 29

Pass the Baton: Trajectory-Relayed On-Policy Distillation

arXiv:2607. 26057v1 Announce Type: cross Abstract: On-policy distillation (OPD) grounds token-level supervision in the student's own trajectory, yet suffers from prefix failure: once the student commits to a wrong reasoning direction, all subsequent generation builds on this deviation, producing misdirected continuations that elicit unreliable supervision and waste compute.

By Haolei Xu, Xiaowen Xu, Haiwen Hong, Zixuan Ni, Hongxing Li, Yiwen Qiu, Weiming Lu, Yongliang Shen