A fine-tuned selector can pick long or short chain-of-thought per question and per token budget, cutting reasoning-model inference cost by roughly 50 percent without sacrificing accuracy.
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Long or short CoT? Investigating Instance-level Switch of Large Reasoning Models
A fine-tuned selector can pick long or short chain-of-thought per question and per token budget, cutting reasoning-model inference cost by roughly 50 percent without sacrificing accuracy.