

AutoGen
#29 in Agent Frameworksmicrosoft · since September 2023 · 5× · last seen Jun 30, 2026
14
Momentum
AutoGen is an open-source framework by Microsoft Research for building multi-agent systems where specialized AI agents collaborate through structured conversations. The current version 0.4 (January 2025) introduced an event-driven architecture and entered maintenance mode by late 2025, with Microsoft promoting the new Agent Framework as its successor.
Momentum trend
04.04.03.07.
Features
| Agent Capabilities | Multi-agent conversations |
| Base Model/Framework | Model-agnostic |
| Code Execution & Sandboxing | Docker-based sandboxing |
| Deployment Model | Open-source framework (MIT license) |
| Human-in-the-Loop | UserProxyAgent for approval loops |
| Context Retention | Conversation history management |
| Price Tier | Free (open-source) |