Company record
LangChain
Updated October 6, 2026 · Presspool
LangChain builds a platform for agent engineering, spanning its open-source agent frameworks and the LangSmith platform for testing and improving agents with production data. langchain.com
Funding
Latest announced financing: $125M, Series B, led by IVP, announced October 20, 2025.
Whether AI names LangChain
- On the AI infrastructure map: named or cited in 9 of 48 answers to Presspool's AI infrastructure questions on October 6, 2026 (ChatGPT 1 of 8, Claude 2 of 8, Gemini 4 of 8, Copilot 0 of 8, Google AI Mode 2 of 8, Google AI Overviews 0 of 8). See the map. Most often named in the same answers: Braintrust (4), Firecrawl (4), Exa (3), Crusoe (1), Daytona (1).
- Machine Relations Index: Cited in 27 of 21,813 Index answers, May 10, 2026 to October 8, 2026.