LangChain Launches LangSmith Fine-Tuning to Train Models from Agent Traces

LangChain launched LangSmith Fine-Tuning and the smithtune CLI in public beta, letting users turn production agent traces into fine-tuned open-weight models, with hosted inference via Fireworks and Baseten.

2026-09-25 ~ 2026-09-25 · 4 related posts

• LangSmith Fine-Tuning launches with Fireworks AI and Baseten for open-weight models — hwchase17 · 2026-09-25
• LangChain launches LangSmith Fine-Tuning with smithtune CLI to train models from agent traces — LangChain · 2026-09-25
• LangChain launches LangSmith Fine-Tuning and smithtune CLI to turn traces into tuned models — LangChain · 2026-09-25

1 near-duplicate retellings: LangChain