# AutoGen vs LangChain — Fit & Features

Canonical: https://trutool.co/compare/autogen-vs-langchain
Author: Snehil (https://trutool.co/authors/snehil)

Compare AutoGen and LangChain by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### AutoGen
Multi-agent application framework in maintenance mode; Microsoft recommends Agent Framework for new projects.
Best fit: Developers building and evaluating custom agents.
- Multi-agent application framework in maintenance mode; Microsoft recommends Agent Framework for new projects
Before you choose: The official repository is in maintenance mode. Evaluate Microsoft Agent Framework for new projects and review migration guidance for existing applications.
Pricing: https://github.com/microsoft/autogen
- [Read AutoGen profile](https://trutool.co/tools/autogen): Read AutoGen profile

### LangChain
Tools for building AI applications, agents, and retrieval workflows.
Best fit: Developers building and evaluating custom agents.
- Tools for building AI applications, agents, and retrieval workflows
Before you choose: Check licensing, maintenance status, supported providers, and hosting or inference costs.
Pricing: https://www.langchain.com/
- [Read LangChain profile](https://trutool.co/tools/langchain): Read LangChain profile