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Thinking Twice Can Make You Dumber: The Test-Time Compute Playbook Behind September's Smartest Models

For a decade, making AI smarter meant one thing: train bigger. More data, more GPUs, more parameters — that was the entire playbook. Then researchers found a third axis nobody was fully exploiting: make the model think longer after the question arrives . The payoff is absurd. A model 4x smaller, gi…

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  1. 2026-10-08 21:54 · DEV Community — Machine Learning
    Thinking Twice Can Make You Dumber: The Test-Time Compute Playbook Behind September's Smartest Models

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