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We benchmarked Claude Code effort levels on 100 runs. Above medium, nothing improved.

If you run Claude Code all day, you have probably done what we did: Opus, effort on high or above, everywhere. It feels safe. My colleague Ayoub Hammoudi decided to measure what that safety actually costs, and the answer changed how we work. This post sums up his benchmark and the open-source skill…

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  1. 2026-11-04 16:28 · DEV Community — AI
    We benchmarked Claude Code effort levels on 100 runs. Above medium, nothing improved.

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