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langchain_blog · Oct 8, 2026 · news

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Introducing LangSmith Fine-Tuning

the LangChain blogOct 8, 2026
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In brief

LangChain introduces LangSmith Fine-Tuning and SmithTune, a CLI built for post-training models. Train specialized models without building data pipelines by hand.

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Introducing LangSmith Fine-Tuning

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