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What Does Chain-of-Thought Entropy Measure? A Channel Audit of Scaffolding, Routing, and Content

arXiv:2609.25039v1 Announce Type: new Abstract: Entropy over chain-of-thought tokens decides which tokens receive the policy gradient, which get pruned, and whether a run has collapsed, yet each such statistic reads a next-token distribution mixing three choices: whether to emit connective scaffold…

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  1. 2026-09-23 04:00 · arXiv stat.ML
    What Does Chain-of-Thought Entropy Measure? A Channel Audit of Scaffolding, Routing, and Content

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