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arxiv_cs_cl · Oct 13, 2026 · paper

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DoubtLess: Training-Free Contrastive Decoding for Efficient Reasoning

arxiv.orgOct 13, 2026
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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...

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DoubtLess: Training-Free Contrastive Decoding for Efficient Reasoning

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