
We're on a mission to make it easy to build the LLM apps of tomorrow, today. We build products that enable developers to go from an idea to working code in an afternoon and in the hands of users in…

We're on a mission to make it easy to build the LLM apps of tomorrow, today. We build products that enable developers to go from an idea to working code in an afternoon and in the hands of users in…
What they do: Open-source framework and commercial platform for building, observing, evaluating, and deploying AI agents
Founding: Originated as Harrison Chase's open-source project (Oct 2022); company formed with co‑founder Ankush Gola in early 2023
Flagship products: LangChain framework, LangGraph, Deep Agents, LangSmith
Recent funding signal: Raised a growth round (~$100M–$125M) in 2025 valuing the company above $1B
Agent engineering for large language model applications
2023
Technology, Information and Internet
$10M
$25M
Reported valuation around $200M
$100M–$125M
Reported valuation above $1B (~$1.1B–$1.25B)
“Participation from institutional and strategic investors including IVP, Sequoia, Benchmark, ServiceNow Ventures, Workday Ventures, Cisco Investments, Datadog Ventures, Databricks Ventures, and Frontline”
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About LangChain At LangChain, our mission is to make intelligent agents ubiquitous. We provide the agent engineering platform and open source frameworks developers need to ship reliable agents fast.
Our open source frameworks, LangChain and LangGraph, see over 90+ million downloads per month and help developers build agents with speed and granular control. LangSmith offers observability, evaluation, and deployment for rapid iteration, enabling teams to transform LLM systems into dependable production experiences.
LangChain is trusted by millions of developers worldwide and powers AI teams at companies like Replit, Clay, Cloudflare, Harvey, Rippling, Vanta, Workday, and more.
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Locations: WEST (San Francisco, Pacific Northwest, SoCal)
CENTRAL (Austin, Chicago, Denver)
EAST (New York, Atlanta)
CANADA (Toronto)
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