Company

LangChain

AI developer tooling company providing open-source Python and TypeScript frameworks and the Langsmith observability platform for building, debugging, and monitoring production AI agents

Enterprise SoftwareDeveloper ToolsAI

People

Harrison Chaseco-founder

Funding History

Oct 21, 2025

LangChain raised $125M at a $1.25B valuation. The company also announced an agent feature within its Langsmith platform that analyzes agent logs to surface usage patterns.

125M

News

Interviews (1)

LangChain raises $125M at $1.25B valuation to build the reliability layer for enterprise AI agents

21 Oct 2025