AG2 vs Microsoft Agent Framework

AG2 and Microsoft Agent Framework are both agent frameworks for Python. AG2 is published by AG2 and Microsoft Agent Framework by Microsoft. On GitHub, Microsoft Agent Framework has 14,302 stars and AG2 has 5,016. Both were last active in Oct 2026. The table lines up where they differ (publisher, license, GitHub stars and weekly downloads) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. AG2 describes itself as: Open-source Python framework for AI agents that cooperate on tasks, with human-in-the-loop workflows and multi-agent patterns. Microsoft Agent Framework: Open framework for building and hosting production-grade AI agents and multi-agent workflows in .NET and Python. Licenses: AG2 Apache-2.0, Microsoft Agent Framework MIT.