LangChain raises $300 million at a $3 billion valuation
LangChain has raised $300 million in a Series C round led by CapitalG, valuing the AI agent management startup at $3 billion. The company announced the financing on Friday, with Singapore’s GIC, DFJ Growth, IVP and Sapphire Ventures also participating.
By Business Faces·November 13, 2026·2 min read·148 reads
The new valuation is more than double the $1.25 billion LangChain reached about a year ago, when it raised $125 million in a round led by IVP.
Founded in 2022 as an open-source project, LangChain initially helped early large language models handle tasks such as web searches, API calls and database interactions. As leading AI labs developed systems that could perform those tasks, the company shifted its focus to managing AI agents. Its pitch to businesses is that they should be able to own their own intelligence.
LangChain says its agent-building and management product, LangSmith, does not tie customers to a particular AI model, cloud provider or ecosystem. The company also says the software is designed to contain agent behavior and be easy to use.
The market is crowded with startups making similar claims, including newcomer Mintive. LangChain says it has 7,000 LangSmith customers, among them startups Harvey, Rippling and Clay, as well as NVIDIA, Toyota and Salesforce.
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