Paper Shows On-Policy Distillation Gains Come from Self-Improvement, Not Teacher Guidance
_akhaliq · x · 2026-09-02
- The paper investigates "On-Policy Distillation," finding that improvements in reasoning do not stem from meaningful teacher guidance.
- Gains are largely attributed to the suppression of unlikely tokens sampled by the student model.
- Proposes OPSA, a teacher-free method that leverages the model's own uncertainty for self-improvement.
Related event: Study: On-policy distillation works by suppressing low-probability tokens(2 posts)→
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