AG2
AG2, the community continuation of AutoGen, an open-source framework for multi-agent systems.
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About AG2
AG2 is listed in our frameworks category and is aimed at builders. AG2, the community continuation of AutoGen, an open-source framework for multi-agent systems. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-16.
What is AG2?
AG2 is the community continuation of AutoGen, an open-source framework for multi-agent systems. As of AG2 v1.0, a protocol-driven framework is the top-level package, imported as ag2.
The classic framework (ConversableAgent, GroupChat, import autogen) moved to the ag2-classic repository, which is still maintained and installable.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: ag2.ai.
Who is AG2 for?
Developers building multi-agent systems, including former AutoGen users.
AG2 at a glance
- Open source: Yes (Apache License 2.0)
- GitHub: ag2ai/ag2 · 5,008 stars (as of Oct 21, 2026)
Key features
- Protocol-driven multi-agent framework (v1.0)
- AG2 Classic still maintained
- Community continuation of AutoGen
AG2 FAQ
What is AG2?
AG2 is the community continuation of AutoGen, an open-source framework for multi-agent systems. As of AG2 v1.0, a protocol-driven framework is the top-level package, imported as ag2.
Who is AG2 for?
Developers building multi-agent systems, including former AutoGen users.
Is AG2 free?
AG2's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is AG2 open source?
Yes. AG2 is released under the Apache License 2.0, according to its GitHub repository.
What are alternatives to AG2?
Similar tools include CrewAI, AutoGen, AgentScope, BotSharp, KaibanJS and MetaGPT.
AG2 ratings and reviews
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AG2 alternatives
Other frameworks tools in our directory. See all frameworks tools →
CrewAI
Framework for role-based multi-agent crews.
AutoGen
Microsoft's framework for multi-agent conversations, now archived and no longer maintained; Microsoft points new users to Microsoft Agent Framework.
AgentScope
Framework for building and running transparent multi-agent applications with visual debugging.
BotSharp
Multi-agent framework for .NET.
KaibanJS
JavaScript-native framework for building and managing multi-agent systems with a Kanban-style board for agent tasks.
MetaGPT
Multi-agent framework that assigns roles like product manager and engineer to LLM agents to build software.
Related lists
🏆 See also: AutoGen alternatives · All best-of lists
🧭 Task guides: Multi-agent orchestration tools for building AI agents
💲 Estimate API cost: compare per-request and monthly costs for GPT, Claude, Gemini and Grok models.
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