AI agent startup LangChain hits $3B valuation

In Brief

11:37 AM PST · November 13, 2026

Agent management startup LangChainhas raised a $300 million Series C at a $3B valuation led by CapitalG, with participation from investors including Singapore’s GIC, DFJ Growth, IVP, and Sapphire Ventures, the company announced on Friday.

That’s more than double its $1.25 billion valuation when it raised $125 million about a year ago, led by IVP.

LangChain began in 2022 as a popular open-source project that handled the kinds of tasks that early-stage LLMs found difficult, like searching the web, calling APIs, and interacting with databases. As the frontier AI labs delivered harnesses that now competently do those tasks, LangChain turned its focus towards managing AI agents. It has apparently found its stride in this highly competitive area with a simple message: letting businesses own their own intelligence.

With its open-source roots, the startup says its agent creation and management...

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