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News/DoubtLess: Training-Free Contrastive Decoding for Efficient Reasoning
arxiv
PublishedOctober 15, 2026 at 4:00 AM

DoubtLess: Training-Free Contrastive Decoding for Efficient Reasoning

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arXiv:2610.18862v1 Announce Type: cross Abstract: Reasoning models achieve strong performance through long chains of thought (CoT), but often spend more tokens than needed to solve a problem. Existing ways to shorten the CoT require additional training for each model, add a fixed steering vector to

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