LaunchDevelopersAugust 25, 2026

LangSmith adds Pytest and Vitest integrations for LLM evals

LangSmith's new Pytest and Vitest/Jest integrations are available in beta with v0.3.0 of the Python and TypeScript SDKs, bringing familiar testing DX to LLM evals with LangSmith observability.

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LangSmith adds Pytest and Vitest integrations for LLM evals — AIBriefs