Why it matters

Regression tests prevent quality drift. CI-integrated for every change.

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The architecture

Run eval dataset.

Compare to baseline.

Flag regressions.

Regression testing agentsEval datasetrun new agentComparevs baselineFlagregressions to CILangSmith, Braintrust integrate with CI; block deploy on regression
Regression testing agents.
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How it works end to end

LangSmith CI.

Braintrust.

Block deploy on regression.