AutoGen vs Semantic Kernel

AutoGen and Semantic Kernel are both agent frameworks for Python. AutoGen is published by Microsoft and Semantic Kernel by Microsoft. On GitHub, AutoGen has 61,549 stars and Semantic Kernel has 28,694. Both were last active in Oct 2026. The table lines up where they differ (license, weekly downloads, category and languages) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. AutoGen describes itself as: Archived Microsoft Python framework for multi-agent apps; Microsoft directs new users to Microsoft Agent Framework. Semantic Kernel: Model-agnostic SDK for building agents and multi-agent systems in Python, .NET and Java; Microsoft names Agent Framework as its successor. Licenses: AutoGen CC-BY-4.0, Semantic Kernel MIT.