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News/PA1-OPD: One-Step Prefix-Augmented On-Policy Distillation for Language Model Pretraining
arxiv
PublishedOctober 15, 2026 at 4:00 AM

PA1-OPD: One-Step Prefix-Augmented On-Policy Distillation for Language Model Pretraining

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arXiv:2610.19601v1 Announce Type: new Abstract: Knowledge distillation (KD) improves language-model pretraining by matching teacher distributions at corpus prefixes, but provides no direct supervision at contexts induced by student predictions. We introduce PA1-OPD, which augments corpus-path distil

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