LangSmith Fine-Tuning launches with Fireworks AI and Baseten for open-weight models

hwchase17 · x · 2026-09-25

LangSmith Fine-Tuning lets teams take their LangSmith trace data and post-train open-weight models seamlessly, with inference powered by Fireworks AI and Baseten — closing the loop from agent observability data to fine-tuned model deployment.

Related event: LangChain Launches LangSmith Fine-Tuning to Turn Agent Traces into Custom Models(3 posts)→

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