Chris Messina

LangChain announces Series B raising $125M at a $1.25B valuation

From @hwchase17 :

Today, we’re announcing we’ve raised $125M at a $1.25B valuation to build the platform for agent engineering. We’re also releasing new capabilities to accelerate the path to reliable agents, including LangChain and LangGraph 1.0 releases, a new Insights Agent, and a no code agent builder. IVP led the round alongside existing investors Sequoia, Benchmark, and Amplify, as well as new investors CapitalG and Sapphire Ventures.

Imagine that — they got their start here when I hunted @LangSmith in 2023.

Man, shoulda invested back then! 🥴

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Nosheen Kanwal

Crazy growth.

From a Product Hunt debut to a $1.25B valuation in what feels like five minutes. That’s product-market fit on steroids.

Vlad

Crazy turnaround, I remember when it first launched it was considered total slop.

Prithvi Damera

Crazy how fast LangChain scaled — from a dev tool experiment to a billion-dollar agent platform in just a couple of years. This round really cements that “agent stack” is becoming its own ecosystem. Wild times for anyone building in AI infra.

Abdul Rehman

It’s interesting how quickly agent engineering matured from experimentation to full-stack solutions.