Can Claude Build Your Evals?

13 Oct 2026 · 48 min
47:59

Hamel Husain and Isaac test Anthropic's new Claude API tool for building evals on real apartment-leasing data. The tool auto-generates test cases and grading rules, but they hit friction: opaque rule language, forced labeling after eval creation, and brittle exact-string matching. They conclude the UX is cumbersome and the workflow backwards, recommending a data-first approach instead.

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