Blending teacher and student token distributions improves distillation of language models.

The authors introduce Interpolated Policy Distillation, a controllable continuum between off-policy and on-policy rollout generation that outperforms both endpoints and heuristic segment interleaving.

Chinese Tech
Youxu Shi · Yifan Sun · Dacheng Yin · Haomiao Tang · Guangting Wang · Fengyun Rao · +2 more

Tencent Inc. · University of Science and Technology of China

Research Digest··3 min read
Shi et al.

The authors formalize off-policy and on-policy distillation as endpoints of a policy continuum.

Why this paper

From Tencent Inc. and University of Science and Technology of China · Part of Reasoning Distillation Alignment, now 7 papers

In one line

Interpolating student and teacher next-token distributions during rollout yields better distillation than using either endpoint alone.

What we could check

  • ·No code link found
  • ·No weights link found
  • ·No dataset link found
  • ·No compute details found
  • ✓Limitations stated by the authors (2 noted)
  • ·No benchmark numbers found

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Research Digest

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