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langchain_blog · Sep 25, 2026 · news

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New in LangSmith: Engine v2, Managed Deep Agents, Fine-Tuning, and more

the LangChain blogSep 25, 2026
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In brief

LangChain announced new updates to LangSmith. Updates include Engine v2 with red teaming and automatic testing, a new version of Managed Deep Agents, trajectories and more.

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New in LangSmith: Engine v2, Managed Deep Agents, Fine-Tuning, and more

Earlier in this thread 4 items

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