The Role of Feedback Alignment in Self-Distillation
On the map: Knowledge distillation → On-policy and self-distillation for LLMs
Abstract (arXiv)
Conditioning a language model on additional context, such as feedback on a previous attempt, typically improves its response. Self-distillation trains the model to retain this improvement when the context is not present. The method works by matching the model's output distribution under two settings: a student that sees only the question, and a self-teacher that also sees the context. What the model learns therefore depends on what context the self-teacher receives, yet the design of this context remains largely unexplored. We study context design for self-distillation by training a solver on feedback from a frozen critic. We compare three conditions: (i) a binary reward (GRPO), (ii) the reference solution, and (iii) a step-by-step critique aligned to the solver's reasoning trace. Step-aligned critique yields the largest gains, outperforming GRPO by 16.11 points and reference-solution-conditioned self-distillation by 5.27 points (Avg@12). Per-token advantage analysis reveals why: step-aligned feedback targets only the tokens where reasoning fails, leaving correct behavior intact. Conditioning on the reference solution, by contrast, pressures the model to change its behavior at every token (even correct steps) because an alternative derivation inevitably differs in phrasing and approach. This suggests that structural alignment between feedback and the solver's reasoning is a key driver of self-distillation effectiveness.
Key facts. Cited by 4 papers in the map (data through 14 Oct 2026). Placed in On-policy and self-distillation for LLMs, one of 12 directions in Knowledge distillation. Builds on 29 of its 33 references that are in the map. First posted on arXiv 9 Jun 2026.
Builds on
29 of 33 references.
Closest ancestors · 3
Same direction, newest first
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- 2026Self-Distilled Reasoner: On-Policy Self-Distillation for Large Language Models26 Jan
Other references · 26
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Built on by
Citing papers per year: 2026: 4.
4 papers.
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