LangChain
New
Chain together models, tools, memory, and retrieval into real applications. The framework most production LLM apps were built with first.
Developer Tools
★ 4.4(11,200 reviews)freemiumOverview
LangChain is an open-source framework for developing applications powered by language models, providing composable building blocks for prompts, chains, agents, memory, retrieval, and integrations with hundreds of tools.
Key Features
- Chains and agents
- Retrieval (RAG) primitives
- Memory and tool integrations
- LangSmith observability
Pros
- • Huge integration ecosystem
- • Rapid prototyping
- • Strong community
Cons
- • Abstractions can be heavy
- • Frequent API changes
Advertisement