LangSmith Fine-Tuning enters public beta: turn traces into fine-tuned models via smithtune CLI
LangChain · x · 2026-09-25
- LangChain launched LangSmith Fine-Tuning in public beta, handling the entire fine-tuning process: it turns your LangSmith traces into a fine-tuning dataset to train specialized models that cut cost and latency.
- The open-source CLI smithtune trains on Baseten Loops and deploys the finished checkpoint to Baseten with one command.
- Core idea: reuse existing production traces to distill workflow-specific smaller models without hand-building training data.
Related event: LangChain Launches LangSmith Fine-Tuning Beta with smithtune CLI(11 posts)→
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