LaunchDevelopersSeptember 21, 2026

LangSmith adds Jev-as-a-judge and decision-model tracing

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Jev, described as a System One decision model, is now available as a judge in LangSmith Evals, letting teams score every production trace rather than a sample. LangSmith also updated its tracing view to display Jev-style calls (state, questions, choices, output) more clearly.

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6 days · 3 reports · 7 community posts · from Sep 17

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