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LangSmith · Type Alias

ScoreType

LangSmith evaluation tests functions and models on dataset examples. Evaluators and scoring utilities measure the resulting outputs and produce experiment results.

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Syntax

evaluate(target, data, evaluators=...)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • ExperimentResults
  • ExperimentResultRow
  • ComparativeExperimentResults
  • evaluate_comparative

Source: evaluation | langsmith | LangChain Reference. Checked 2026-11-03.