LangChain
LangSmith (LangChain / LangGraph platform)
Developer platform to trace, test, evaluate and deploy AI agents built with LangChain, LangGraph or other frameworks.
Last checked 7 Nov 2026 · langchain.com ↗
The facts
- Category
- Automation & agents
- Made by
- LangChain
- How it charges
- Free plan, paid upgrades
- Starting price
- $39/seat/mo (Plus) plus usage
- Free plan or tier
- Yes
- UK or EU data hosting
- UK or EU hosting offered
- Certifications
- Not published
- API
- Yes
- Suits
- Solo (just you), Small (2–49), Mid-sized (50–249), Large (250+)
- Maturity
- Established
Prices and hosting options are the vendor’s published terms on the date checked. Check the vendor’s site before you buy.
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