Build context-aware, reasoning applications with LangChainβs flexible abstractions and AI-first toolkit.
The LangChain Libraries:
LangChain
(Python)LangChain JS
(JavaScript/TypeScript)
Our Products:
LangSmith
- the platform for building production-grade LLM applications
Extensions:
LangServe
- deploy LangChain runnables and chains as a REST API (Python)OpenGPTs
- Open-source effort to create a similar experience to OpenAI's GPTs and Assistants API (Python)LangGraph
- build language agents as graphs (Python)LangGraph JS
- LangGraph in JavaScript (JavaScript/TypeScript)
Live Demos:
ChatLangChain
- LangChain-powered chatbot focused on question answering over the LangChain documentation (Python)ChatLangChain JS
- ChatLangChain in JavaScript (JavaScript/TypeScript)WebLangChain
- LangChain-powered web research chatbot (Python)
Section | Description |
---|---|
Company Website | LangChain product and company info |
Python Documentation | Get started with the Python library |
JavaScript Documentation | Get started with the JavaScript library |