LangChain raises 300 million dollars

LangChain has raised 300 million dollars at a value of 3 billion dollars, the company said on the 13th of November 2026. CapitalG, the growth fund of Google owner Alphabet, led the round.

Singapore's GIC, DFJ Growth, IVP and Sapphire Ventures also invested, TechCrunch reported.

What LangChain sells

LangChain began in 2022 as a free open source project for building AI agents. Agents are programs that do tasks step by step.

Its paid product, LangSmith, helps firms build, watch and fix their agents. It works with any AI model or cloud, the company says.

Who uses it

LangSmith has 7,000 business customers, TechCrunch reported. They include Nvidia, Toyota, Salesforce, Harvey, Rippling and Clay.

LangChain plans to grow to 850 staff by the end of 2027, SiliconANGLE reported.

Below we break down the value

A year ago, LangChain was valued at 1.25 billion dollars after raising 125 million dollars, TechCrunch said. The new value is 2.4 times higher, by our arithmetic.

The new round is also 2.4 times the size of the last one.

What is confirmed and what is not

The Wall Street Journal first reported the round on the 12th of November, SiliconANGLE said. TechCrunch said the company announced it on Friday.

Key facts

LangChain raised 300 million dollars.

The company is now valued at 3 billion dollars.

CapitalG led the round.

LangSmith has 7,000 business customers.