LangChain, a startup that manages AI agents for businesses, said Friday it has raised a $300 million Series C at a $3 billion valuation. CapitalG led the round, with participation from Singapore's GIC, DFJ Growth, IVP, and Sapphire Ventures. The new valuation is more than double the $1.25 billion the company carried when it raised $125 million about a year ago in a round led by IVP.
The company started in 2022 as a widely used open source project that took on tasks early large language models struggled with, such as searching the web, calling APIs, and working with databases. As frontier AI labs shipped harnesses that now handle those jobs competently, LangChain shifted its attention to managing AI agents. It has found traction in that crowded field by telling businesses they can own their own intelligence.
LangChain says its agent creation and management software, LangSmith, does not try to lock users into a particular model, cloud, or ecosystem, a contrast it draws with major clouds and frontier AI labs. The company also says LangSmith contains agent behavior and is easy to use.
Other startups are pitching similar advantages and also doing well, including newcomer Mintive. LangChain, however, has had a head start.
LangChain claims 7,000 LangSmith customers. They include startups such as Harvey, Rippling, and Clay, along with enterprises such as Nvidia, Toyota, and Salesforce.
The raise lands in a competitive US market for agent management tools, where LangChain is positioning itself against both cloud providers and frontier labs.
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