LangChain is a platform for building reliable AI agents, offering a suite of products that support developers from prototyping to production. LangChain delivers frameworks and tools that help organizations create, orchestrate, and manage advanced AI agents and workflows at scale.
What Products and Services Does LangChain Provide?
LangChain's core offerings include:
- LangChain Framework: A toolkit for integrating language models with databases, APIs, and other tools, enabling seamless agent and application development.
- LangGraph: A framework for controllable agent orchestration, featuring built-in persistence for managing complex agent workflows.
- LangSmith: A platform for debugging, evaluating, and observing agent performance, allowing teams to monitor and improve AI agents in production environments.
- LangGraph Platform: An enterprise-grade infrastructure for deploying and managing long-running, stateful agents at scale, now generally available as of May 2025.
Additionally, LangChain provides templates, visual IDEs, and human-in-the-loop controls to accelerate agent development and ensure reliability. Their suite of solutions is designed to help teams ship robust AI agents, gain detailed visibility, and continuously improve quality by tracing and evaluating agent performance.
Who Uses LangChain?
LangChain serves a broad range of customers, from startups to large enterprises across various industries. Notable users include:
- Technology and SaaS: Replit, GitLab, Rippling, Modern Treasury, AppFolio
- Finance and Data: Moody's, Dun & Bradstreet, Morningstar, Bridgewater
- Enterprise & Retail: The Home Depot, Cisco, Vodafone, Klarna, Rakuten
- Healthcare and Nonprofit: City of Hope, Vizient
- Other Industry Leaders: ByteDance, C.H. Robinson, Podium, Trellix, Ally, Factory, Pigment, Unify, Lovable, Mercor, Clay, Outshift by Cisco This diverse customer base highlights LangChain's adaptability for building and scaling AI-powered agent solutions in a variety of business settings.
How Was LangChain Started?
LangChain was founded by Harrison Chase, who serves as CEO, and co-founder Ankush Goyal. The company is based in San Francisco, California, and brings together expertise in AI, software engineering, and developer tooling to solve the challenges of building reliable, production-ready AI agents. For more background, visit their About page.
What Sets LangChain Apart?
LangChain distinguishes itself by offering an integrated platform that covers the full lifecycle of agent development—from prototyping to deployment and monitoring. Their focus on controllability, observability, and scalability enables organizations to build agents that are not only powerful but also reliable and enterprise-ready. Features like built-in persistence, human-in-the-loop controls, and advanced debugging tools meet the demands of businesses deploying sophisticated AI workflows.
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