Company record
LangChain
Updated October 14, 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 50 answers to Presspool's AI infrastructure questions on October 14, 2026 (ChatGPT 1 of 8, Claude 1 of 8, Perplexity 1 of 8, Gemini 1 of 8, Copilot 1 of 8, Google AI Mode 2 of 7, Google AI Overviews 0 of 3). See the map. Most often named in the same answers: Braintrust (6), Firecrawl (3), Exa (1).
- Machine Relations Index: Cited in 32 of 25,323 Index answers, May 10, 2026 to October 16, 2026.