LangChain
LangChain is a developer tools company based in San Francisco, United States, founded in 2023. Framework and platform for building AI agents. It was valued at $1.25bn on 21 October 2025 (Series B funding round ($125m)), which makes it a unicorn in the 311 Unicorn Index.
Part of the 311 Unicorn Index (311institute.com). Last updated .
Source: TechCrunch
About LangChain
Framework and platform for building AI agents. Lead investors in its latest round: IVP. Website: langchain.com.
How this figure is calculated
The valuation set by the latest priced funding round or company-run share sale, as announced by the company or its lead investor, or reported by a major news organisation. Figures in other currencies are converted at the rate on the day of the round. Talks that have been reported but not closed do not count.
Related
- Innovation profile of San Francisco
- United States: economy and key statistics
- The 311 Unicorn Index
- Global Startups Directory
- Global Investors Directory
- All 311 Indexes
Other unicorns in United States
- Anthropic ($965bn)
- OpenAI ($852bn)
- Databricks ($190bn)
- Stripe ($159bn)
- Anduril Industries ($61bn)
- Ramp ($60bn)
- Cognition ($48bn)
- Project Prometheus ($41bn)
- Ripple ($40bn)
- Figure AI ($39bn)
- Safe Superintelligence ($32bn)
- Crusoe Energy Systems ($30.9bn)
- VAST Data ($30bn)
- Scale AI ($29bn)
- The Boring Company ($23bn)
Questions and answers
How much is LangChain worth?
LangChain was valued at $1.25bn on 21 October 2025 (Series B funding round ($125m)), according to the 311 Unicorn Index.
Where is LangChain based?
LangChain is headquartered in San Francisco, United States.
When was LangChain founded?
LangChain was founded in 2023.
What does LangChain do?
Framework and platform for building AI agents.
Is LangChain a unicorn?
Yes. LangChain is a privately held company valued at $1 billion or more, so it is a unicorn in the 311 Unicorn Index.
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