LangChain provides building blocks for chaining together language model calls, tools, and data sources into full applications, widely used as a starting point for AI agent projects.
- Pricing
- freemium
- Categories
- Coding & Development
- Added
- Jul 23, 2026
What is LangChain?
LangChain is a framework that provides building blocks for chaining together language model calls, tools, and data sources into full applications, widely used to start AI agent projects.
How to use LangChain?
Install LangChain (Python or JS) and compose chains and agents that call models, tools, and retrievers; pair with LangSmith for observability. The framework is open-source.
Core Features
- LLM app framework
- Chains, tools, and agents
- Large ecosystem
LangChain — Links & Contact
Company: LangChain
Related tools
AI website builder for fast, no-code website creation with AI content.
A desktop app for developers to create optimized prompts for LLMs with code context.
Web app to create web profiles & CVs online with a no-code builder.