LangChain raises $300 million at $3 billion valuation

LangChain said on Friday it has raised a $300 million Series C at a $3 billion valuation, led by CapitalG with Singapore's GIC among the participants, more than double the valuation of its raise a year ago.

Why it matters: The round prices the agent management layer, rather than the models themselves, at frontier scale, and a Singapore sovereign fund is again on the cap table of a leading US AI tooling company.

Data as of TechCrunch report of November 13, 2026, read in full in this run, reporting LangChain's own announcement of the round the same day. Developing item.

LangChain said on Friday it has raised $300 million in a Series C round at a $3 billion valuation, led by Alphabet’s CapitalG, with participation from Singapore’s GIC, DFJ Growth, IVP and Sapphire Ventures. The valuation is more than double the $1.25 billion at which the company raised $125 million about a year ago, in a round led by IVP.

The company began in 2022 as an open source project for tasks early large language models handled poorly, and has since shifted to managing AI agents through its LangSmith platform, which it says has 7,000 customers, including Nvidia, Toyota and Salesforce. Its pitch is that businesses can run agents without locking into a single model provider or cloud.

LangChain raises $300 million at $3 billion valuation

Sources