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Score Every Production Trace with an LLM Judge, from Your Terminal (LangSmith CLI)

LangChain · Sep 10, 2026 · Product Launches

LangSmith CLI enables evaluation of user frustration with LLMs.

“It'll then produce some feedback, which gets assigned on the trace, and consists of a score plus a reasoning.”

The LangSmith CLI can now evaluate and score user frustration in chatbot traces using a language model as a judge. This development signifies a shift towards automated and scalable evaluations, demonstrating how AI can enhance user experience management.

LangSmith evaluation LLM

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