Company record
LangChain
Updated September 27, 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 7 of 39 answers to Presspool's AI infrastructure questions on September 27, 2026 (ChatGPT 1 of 8, Gemini 2 of 8, Copilot 1 of 8, Google AI Mode 1 of 8, Google AI Overviews 2 of 7). See the map. Most often named in the same answers: Braintrust (6), Baseten (1), Crusoe (1), Firecrawl (1), Fireworks AI (1).
- Machine Relations Index: Cited in 19 of 16,925 Index answers, May 10, 2026 to September 26, 2026.