AG2 Alternatives
Community-driven multi-agent framework forked from AutoGen with backward-compatible API
AG2 is the community fork of Microsoft's original AutoGen 0.2, maintained by contributors from Meta, IBM, Google, and Penn State.
Explore 26 alternatives to AG2 across 1 category. Updated September 2026.
Top AG2 alternatives at a glance
- AutoGen. Microsoft's multi-agent framework, in maintenance mode since 2026; Microsoft points new projects to Agent Framework
- CrewAI. Framework for orchestrating role-playing, autonomous AI agents.
- LangGraph. Low-level framework for building stateful, long-running AI agents with graph-based orchestration
- Composio. Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution
- Smolagents. Lightweight Python agent framework from Hugging Face where agents write Python code instead of JSON tool calls
Compare AG2 with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| AG2 | Free | ✓ | ✓ | Self-hosted | — |
| AutoGen | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| CrewAI | Freemium | — | ✓ MIT | Cloud + Self-hosted | ๐บ๐ธ United States |
| LangGraph | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Composio | Freemium | ✓ | ✓ | — | ๐บ๐ธ United States |
| Smolagents | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| OpenAI Agents SDK | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Mastra | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Letta | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Google ADK | Free | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Pydantic AI | Free | ✓ | ✓ MIT | Self-hosted | ๐ฌ๐ง United Kingdom |
| AgentOps | Freemium | ✓ | — | Cloud + Self-hosted | ๐บ๐ธ United States |
| AgentsKit | Free | ✓ | ✓ MIT | Self-hosted | ๐บ๐ธ United States |
| Burr | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Microsoft Agent Framework | Free | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Tura | — | ✓ | ✓ AGPL3 | — | — |
๐ต๏ธโโ๏ธ Agents
Mastra
TypeScript-first AI framework for building agents, RAG pipelines, and workflows
Letta
Framework for building stateful AI agents with persistent memory, formerly MemGPT
Google ADK
Open-source agent development kit from Google for building multi-agent systems
Burr
Build stateful AI agents and applications as state machines, with a built-in tracing UI
Tura
Open-source local coding agent that turns intent into verified repository changes
Fixie
The fastest way to build conversational AI agents
Superagent
Prototype and deploy agents powered by large language models.
Dust
The operating system for AI agents
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