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Nov 12, 2026

LangChain raises $300 million at $3 billion valuation

LangChain, which makes a platform for developers building AI applications and agents, raised $300 million at a $3 billion valuation, more than doubling its previous valuation.

Nov 12, 2026·2 sources

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Top claims

▪LangChain Inc.'s open-source portfolio includes its primary framework released in 2022, LangGraph for multi-agent workflows, and Deep Agents for complex data and planning tasks
▪LangChain Inc.'s commercial software suite LangSmith is used by technology companies including Autodesk Inc. and Cisco Systems Inc.
▪LangChain Inc.'s open-source tool LangGraph enables developers to link multiple AI agents into automated workflows

Topics

AI agents Venture capital funding Deep agents Alphabet Inc.AI developer tools AI companies founding rounds Multi-agent orchestration AI startups AI investment Open-source AI

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