Open-Source AI · AI agent framework

AutoGen vs AG2

AutoGen vs AG2 compared for 2026 — features, license, ease of use, performance and which one to choose. Microsoft's conversational agent framework vs The community continuation of AutoGen.

Updated regularly · curated by OpenSourceAI.tech

Choose AutoGen for researchers building conversational agent systems. Choose AG2 for teams invested in the AutoGen conversation model.

AutoGen vs AG2 at a glance

SpecAutoGenAG2
CategoryAI agent frameworkAI agent framework
TypeMulti-agent frameworkMulti-agent framework
LicenseMITApache-2.0
Runs locallyCloud-optionalCloud-optional
Primary languagePythonPython
Ease of useAdvancedIntermediate
Best forresearchers building conversational agent systemsteams invested in the AutoGen conversation model
GitHub stars59.7k4.8k

How AutoGen and AG2 score

🤝 Too close to call — AutoGen and AG2 land within a hair (4.0 vs 3.9 / 5). Pick on fit, not on score.
CriterionAutoGenAG2
Popularity4.52.5
Maintenance4.55.0
Ease of use2.53.5
Privacy3.53.5
License freedom5.05.0

Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.

What each one is

AutoGen

Multi-agent framework · MIT

AutoGen — the official full name, short for “Automated Generation” — is Microsoft’s open-source framework for building multi-agent AI systems where agents converse to solve tasks, with strong support for code execution and tool use.

  • Flexible multi-agent conversation patterns
  • Strong code-execution and tool-use support
  • Backed by Microsoft Research
See the AutoGen page →

AG2

Multi-agent framework · Apache-2.0

AG2 is the community-driven continuation of AutoGen, focused on multi-agent conversations and orchestration with an open governance model.

  • Continuity for the AutoGen ecosystem
  • Community-governed, Apache-2.0
  • Mature multi-agent conversation patterns
See the AG2 page →

Key differences

AutoGen is multi-agent framework, while AG2 is multi-agent framework. Their licenses differ (MIT vs Apache-2.0), which matters if you ship a commercial product. AutoGen leans more advanced-friendly, whereas AG2 is more suited to intermediate users. In short, AutoGen fits researchers building conversational agent systems, and AG2 fits teams invested in the AutoGen conversation model.

Which should you choose?

Choose AutoGen for researchers building conversational agent systems. Choose AG2 for teams invested in the AutoGen conversation model.

There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.

Frequently asked questions

Is AutoGen or AG2 easier to use?

AG2 is generally the easier of the two to get started with, while AutoGen rewards more setup with more control.

Are AutoGen and AG2 free?

AutoGen is free and open source (MIT), and AG2 is free and open source (Apache-2.0). Neither charges for the core software.

Can I run AutoGen and AG2 locally?

AutoGen: cloud-optional · AG2: cloud-optional. Both can be used without sending your data to a third-party cloud where their setup allows.

AutoGen vs AG2 — which should I pick in 2026?

Choose AutoGen for researchers building conversational agent systems. Choose AG2 for teams invested in the AutoGen conversation model.

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