Skip to content

LangChain

Open-source framework for building applications powered by language models. LangChain provides tools for chaining LLM calls, managing memory, connecting to data sources, and building AI agents.

Most popular LLM application framework with 90,000+ GitHub stars. De facto standard for building AI apps.

In the index

Tools from LangChain

LangChain · Agents

LangGraph is a low-level orchestration framework from LangChain for building stateful, graph-based agent and multi-agent applications.

Pricing

Free (open source)

Trust 84

Visit

LangChain · ML & infrastructure

LangSmith provides tracing, evaluation, and monitoring for LLM and agent applications.

Pricing

Free - $39/month

Trust 74

Visit