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Evals are not the durable asset people think they are: one survives about one to three model generations before it saturates and has to be thrown away.

Drawn from what Boris Cherny said

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What Boris Cherny actually said

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  1. Boris Cherny

    Creator of Claude Code at Anthropic

    I think evals, they outlive the harness a little bit, but not by that much. Like an eval might live for maybe one, two, three model generations, but nowadays the you know, we're on the exponential. The model is improving so quickly, very often we just saturate the eval, and then we have to throw it away, and we have to come up with a new eval.

Added to korrents 27 Jul 2026 · How quotes work · Something wrong? Tell us

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