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Author

Haoran Zhang

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Draft-OPD: On-Policy Distillation for Speculative Draft Models

Draft-OPD, which uses target-assisted rollout for stable continuations and replays drafting from the verification-exposed error positions, allowing the drafter to learn from target feedback on both accepted and rejected proposals, focusing on the draft-induced errors that limit speculative acceptance.

Hao Lei, Ya-Fu Li, Haoran Zhang et al. · 10 citations · ⚡1
Review Aug 2026

SimpleOPD: Simple Tokenizer-Agnostic On-Policy Distillation for Long-Context Reasoning

This work introduces a student reference KL loss and mask the advantages of special termination tokens to mitigate the problem of excessive generation length and frequent truncation, and improves on science benchmarks such as HLE and HiPhO, suggesting that OPD transfers reasoning capabilities that generalize beyond the...

Hao-Nan He, Hao Lei, Yun Luo et al. · 5 citations · ⚡1

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