Unlock The Power of LLMs with LangChain
LangChain is your key to building sophisticated applications powered by Large Language Models (LLMs). This open-source framework streamlines the development process, offering a standard interface for models, embeddings, and vector stores, allowing you to focus on innovation.
Whether you're connecting to diverse data sources, experimenting with different LLMs, or building complex agent workflows, LangChain provides the tools and flexibility you need to succeed in the rapidly evolving world of AI. Discover how to integrate with model providers, vector stores, and more, and get started with our extensive documentation.
Why Choose LangChain?
LangChain empowers developers with a standard interface for interacting with a variety of LLMs, embeddings, and vector databases. This allows for easy swapping of models, fast iteration, and a focus on application logic.
Key benefits include real-time data augmentation, allowing you to connect LLMs to diverse data sources and external systems, model interoperability, and future-proofing your application against the ever-changing landscape of AI.
Use LangChain for a wide variety of use cases, including integrating with diverse data sources and building intelligent agents.
Explore The LangChain Ecosystem
Beyond the core framework, the LangChain ecosystem offers a suite of tools designed to enhance your LLM application development.
LangSmith provides powerful agent evaluation and observability, helping you debug and improve your applications' performance. LangGraph allows you to build complex, stateful agent workflows. The LangGraph Platform offers a deployment platform for production-ready agents. These tools, and more, give you everything needed to develop, deploy, and monitor cutting-edge LLM applications.
“LangChain simplifies the development of LLM-powered applications.
The LangChain Team
Explore the LangChain Universe
Discover key components and tools
LangSmith: Observe and Evaluate
Debug, evaluate, and improve your LLM applications. Gain visibility into agent trajectories and refine performance with LangSmith.
LangGraph: Agent Workflows
Build complex agent workflows with customizable architecture, long-term memory, and human-in-the-loop workflows.
LangGraph Platform: Deploy and Scale
Deploy and scale agents effortlessly with a purpose-built deployment platform for long-running, stateful workflows.
Dive Into the Resources
Get started with LangChain today. Explore our comprehensive documentation, tutorials, and guides. Connect with the community and share your ideas on the LangChain forum. Find help in the API reference. Chat with our documentation to ask questions.