When tasks can't be sorted by difficulty, split your eval into multiple evals

JoshPurtell · x · 2026-11-02

Continuing the thread: when a domain measures many different tasks and tasks can't be sorted by difficulty, the basic fix is splitting into multiple evals. Where that's not possible or attractive, Josh Purtell still argues the goal should stand — knowing how good a model is from only a few tasks.

Related event: Ex-evals developer lays out why training data and eval data demand different standards(17 posts)→

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