AI agent startup LangChain hits $3B valuation

In Brief Posted: 11:37 AM PST · November 13, 2026 Julie Bort AI agent startup LangChain hits $3B valuation Agent management startup LangChain has 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 software, LangSmith, is not trying to lock users into any particular model, cloud, or ecosystem, unlike the major clouds or frontier AI labs. It also promises that LangSmith will contain agent behavior and is easy to use. True, there are plenty of other startups pitching similar advantages these days and also doing well ( case in point is newcomer Mintive ). However, LangChain has had a head start and now claims 7,000 LangSmith customers, including big-name startups like Harvey, Rippling, and Clay, and enterprises like NVIDIA, Toyota, and Salesforce. Topics agent , AI , Fundraising , Startups , Startups , TC 2027 San Francisco Get an Early Peek at the Next TechCrunch Disrupt Disrupt, Startup Battlefield, and more will return next year, and you can be at the front of the line. Sign up for our waitlist Register Now Newsletters See More Subscribe for the industry’s biggest tech news TechCrunch Daily News Every weekday and Sunday, you can get the best of TechCrunch’s coverage. TechCrunch Mobility TechCrunch Mobility is your destination for transportation news and insight. Startups Weekly Startups are the core of TechCrunch, so get our best coverage delivered weekly. StrictlyVC Provides movers and shakers with the info they need to start their day. No newsletters selected. Subscribe By submitting your email, you agree to our Terms and Privacy Notice . Related AI Export-banned Nvidia chips are behind China’s most powerful AI models — uh oh, Jensen! Tim Fernholz 58 minutes ago AI ChatGPT’s new Wallet lets AI agents shop and check out for you Sarah Perez 4 hours ago AI The unfolding Jensen Huang scandal: a timeline Amanda Silberling 4 hours ago Latest in Startups In Brief AI agent startup LangChain hits $3B valuation Julie Bort 12 seconds ago Startups Nectar launches an AI agent to automate creator discovery and outreach for brands Lauren Forristal 1 day ago Apps Phota Labs uses AI to turn everyday photos into professional-looking shots Aisha Malik 1 day ago