AutoGen is Microsoft's multi-agent framework. It is in maintenance mode, so new work is directed to Microsoft Agent Framework, but the library and docs remain published.
Category
Pricing
Open source
Source
Open source
Website
microsoft.github.io
Added
15 Oct 2026
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Three other agent frameworks tools listed in this directory.
Agent frameworks
CrewAI lets you define agents with roles and tasks that they work through together. The framework is open source, with a paid cloud for running crews.
Agent frameworks
Microsoft Agent Framework is Microsoft's current library for building agents in Python and .NET. New projects are pointed here instead of AutoGen or Semantic Kernel.
Agent frameworks
Semantic Kernel is Microsoft's library for connecting models to your own code. It is still published, and Microsoft now points new agent projects to Microsoft Agent Framework.