Evidence record 5860 · automatically gathered

Rethinking On-Policy Distillation of Large Language Models: Phenomenology, Mechanism, and Recipe

On-policy distillation (OPD) has become a core technique in the post-training of large language models, yet its training dynamics remain poorly understood. This paper provides a systematic investigation of OPD dynamics and mechanisms. We first identify that two conditions govern whether OPD succeeds or fails: (i) the student and teacher should share compatible thinking patterns; and (ii) even with consistent thinking patterns and higher scores, the teacher must offer genuinely new capabilities b

Record details

Published: 14 April 2026
Source: arXiv
Category: Research
Topics: Regulation · Children & education · Finance, VC & PE
Retrieved: 14 July 2026

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ethics.ai (14 April 2026), “Rethinking On-Policy Distillation of Large Language Models: Phenomenology, Mechanism, and Recipe,” evidence record 5860, https://ethics.ai/record/5860 (originally published by arXiv).

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