AI agent management platform LangChain announced completion of $300 million in Series C funding, valuing the company at $3 billion. Google's CapitalG led the round, with participation from Singapore's GIC, DFJ Growth, IVP, and Sapphire Ventures. Other investors include Salesforce Ventures, Insight Venture Partners, QuantumLight, and MongoDB Ventures, along with existing backers Sequoia, Amplify, and Benchmark. Total capital raised across all rounds reached $460 million.
LangChain's core product LangSmith provides execution, testing, monitoring, and governance tools for AI agents. The company operates model and cloud neutral, enabling enterprises to select their own models while maintaining data and infrastructure control. Over 7,000 organizations currently use LangSmith, including Nvidia, Toyota, Salesforce, and Workday.