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Max Effort Costs 42 More and Solves Less: The Reasoning-Effort Trap

This story is from 2026-10-28. It is preserved in the archive; the latest stories are on the live feed.

Every frontier model now ships with a dial: low, medium, high, max. The pitch is simple — more thinking, better answers, just pay more. A paper posted to arXiv on October 25, 2026, measured what that dial actually does across 8 models and 4 benchmarks, and the pitch breaks in three places at once.…

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  1. 2026-10-28 15:57 · DEV Community — Machine Learning
    Max Effort Costs 42 More and Solves Less: The Reasoning-Effort Trap

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