Database · ai-tools
LangChain
LangChain is an open-source framework for building LLM-powered applications, including AI agents, RAG systems, and complex chains, with support for multiple models and providers.
Framework
Overview
The most widely used framework for building LLM applications, with extensive model support and a large ecosystem.
Details
- Website
- https://www.langchain.com
- Pricing model
- Open Source
- Platform
- Python, JavaScript, API
- Privacy relevance
- HIGH
- Strengths
- Open-source, extensive model/provider support, agent framework, RAG tools, LangSmith for observability, large community
- Limitations
- Steep learning curve; rapid API changes; abstraction can hide complexity; debugging can be challenging
- Last reviewed
- 2026-08-25