Why it matters

Prompt eval shapes iteration. Foundation for production prompts.

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The architecture

Golden dataset: (input, expected).

Run prompt.

Score outputs.

Prompt eval pipelineGolden datasetcurated inputsRun promptgenerate outputsScorevs expectedCombine exact-match + LLM-as-judge + human samples for coverage
Prompt eval.
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How it works end to end

Metrics: exact match, semantic similarity, LLM-as-judge.

Baseline: previous version.

CI integration.