LangChain
Investing activity
LangChain appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $8M. The most recent is Sazabi (Seed, $8M, Jun 2026).
LangChain most often invests alongside J2 Ventures, Y Combinator, Village Global and Orange Collective, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about LangChain
What AI companies has LangChain invested in?
LangChain's AI investments include Sazabi. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does LangChain invest at?
In the rounds tracked on Lounge, LangChain has invested at Seed, with a median round of $8M.
Who does LangChain co-invest with?
LangChain's most frequent co-investors on Lounge are J2 Ventures (1 deal), Y Combinator (1 deal), Village Global (1 deal), Orange Collective (1 deal) and OpenAI (1 deal).
How can founders reach LangChain?
Founders on Lounge can see LangChain's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add LangChain to their Investor Pipeline to track the conversation.