Add as a preferred source on GoogleLangChain Raises $300 Million at $3 Billion Post-Money Valuation
LangChain says more than 7,000 organizations use LangSmith, its platform for managing AI agents. The company plans to use the funding to expand the platform.
LangChain raised $300 million in a Series C at a $3 billion post-money valuation, and more than 7,000 organizations use its LangSmith platform for managing AI agents.
CapitalG led the financing. GIC and DFJ Growth joined as new investors, while IVP and Sapphire Ventures returned. Salesforce Ventures, Insight Venture Partners, QuantumLight and MongoDB Ventures also joined the investor group.
The new valuation is 2.4 times the $1.25 billion valuation set in LangChain’s Series B in October 2025. The post-money figure includes the fresh $300 million investment.
San Francisco-based LangChain builds tools for applications powered by large language models. Its framework-agnostic LangSmith platform manages AI agents and lets companies select models while maintaining governance and control over their data.
LangSmith users include NVIDIA, Toyota, Salesforce and Workday, as well as startups Harvey, Rippling and Clay. LangChain plans to use the new capital to scale LangSmith and hire in engineering, sales and customer deployment.
The company plans to unveil additional LangSmith capabilities Friday, Nov. 20.
John Kim
John Kim reports on the digital-asset business for TokenPost. Send corrections or tips to info@tokenpost.com.