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Nathan McNulty

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Open harnessesEvals & benchmarks

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  • Aug 27, 2026

    "Claude Code quality had been degraded for weeks by three product-layer changes shipped between March 4 and April 16 (default reasoning cut from high to medium, plus prompt/verbosity tweaks).

    Anthropic spent much of that period telling paying users the model was fine, then… https://t.co/wtl6XxYSDK

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Verified Oct 29, 2026