LLM Evals: Everything You Need to Know
3.78T1.5 sourcehamel.dev (Hamel Husain)
Source record
Published by hamel.dev (Hamel Husain) (T1.5 source). The original is at https://hamel.dev/blog/posts/evals-faq/.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryA comprehensive FAQ from Hamel Husain distilling questions from teaching LLM evaluation to 700+ engineers, covering product evaluation systems, building LLM-as-a-judge, error analysis, synthetic data curation, and rapid improvement workflows for AI products.
Why it mattersBattle-tested evaluation methodology drawn from teaching hundreds of teams, with concrete steps for LLM-as-a-judge, error analysis, and synthetic data.

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