LangChain
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 days or weeks. We’re humbled to support 100k+ companies who choose to build with LangChain. And we built LangSmith to support all stages of the AI engineering lifecycle, to get applications into production faster.
LangChain
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 days or weeks. We’re humbled to support 100k+ companies who choose to build with LangChain. And we built LangSmith to support all stages of the AI engineering lifecycle, to get applications into production faster.
TL;DR
Core offering: Open-source LLM agent framework plus commercial platform for agent orchestration, observability, evaluation, and deployment
Founders / leadership: Co-founded by Harrison Chase (CEO) and Ankush Gola
Adoption metrics (site-stated): Claims: 90M monthly downloads, 100k+ GitHub stars, 1,000+ integrations; used by 100k+ companies
Recent funding: $125M Series B (2025) led by IVP; prior seed and Series A led by Benchmark and Sequoia
Employees (approx.): ~215
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Company Overview
Problem Domain
Agent engineering and productionization of LLM-powered applications
Founded
2022
Industry
Technology, Information and Internet
Funding Track Record
$10M
$25M
$125M
Reported valuation around $1.25B
Investor Signal
“Participation from top-tier VCs (Benchmark, Sequoia, IVP) and corporate investors in later round (e.g., CapitalG, Sapphire Ventures, Workday Ventures, ServiceNow Ventures, Datadog, Databricks Ventures, Cisco Investments)”