AI engineer: without proper evals you're flying blind when building

antoine_chaffin · x · 2026-09-20

AI engineer Antoine Chaffin stresses that without proper evals you are blind when building, and urges developers to triple-check everything or risk missing important details. The tweet came in reply to denisbykov, who praised Chaffin's "kind to people, strict about evals" combo. The takeaway: evals are a non-negotiable part of AI development.

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