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AutoGen

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Microsoft's multi-agent conversation framework for complex AI workflows

Updated Nov 27, 2025
AI Framework/LibraryOpen SourceAll platforms

About

AutoGen is Microsoft's open-source framework for building multi-agent AI systems. Version 0.4 (early 2025) introduced a major architectural redesign with an event-driven foundation, segmenting the framework into distinct components: AutoGen-Core, AgentChat, AutoGen-Extensions, and a rebuilt low-code AutoGen Studio. It enables specialized agents to collaborate on complex tasks through async conversations with human-in-the-loop capabilities. Features superior scalability, observability, and cross-language support for Python and .NET.

Key Features

  • Event-driven foundation (v0.4 architecture)
  • AutoGen-Core component
  • AgentChat component
  • AutoGen-Extensions component
  • Rebuilt AutoGen Studio (low-code)
  • Multi-agent conversation framework
  • Specialized agent collaboration
  • Async and sync conversations
  • Human-in-the-loop integration
  • Superior scalability and observability
  • Cross-language support (Python, .NET)
  • Microsoft backing
  • Production-ready

Use Cases

  • Multi-agent AI systems
  • Complex task automation
  • AI research projects
  • Collaborative AI workflows
  • Enterprise automation

Technical Details

Languages

Python.NET

AI Models

Any LLM

Integrations

OpenAIAzure OpenAICustom models

Frequently Asked Questions

What is AutoGen?

AutoGen is Microsoft's open-source framework for building multi-agent AI systems. Version 0.4 (early 2025) introduced a major architectural redesign with an event-driven foundation, segmenting the framework into distinct components: AutoGen-Core, AgentChat, AutoGen-Extensions, and a rebuilt low-code AutoGen Studio. It enables specialized agents to collaborate on complex tasks through async conversations with human-in-the-loop capabilities. Features superior scalability, observability, and cross-language support for Python and .NET.

Is AutoGen free?

Yes, AutoGen is open source and free to use. Full framework, Multi-agent support, Human-in-loop

What programming languages does AutoGen support?

AutoGen supports 2+ programming languages including Python, .NET.

What AI models does AutoGen use?

AutoGen is powered by Any LLM.

What platforms does AutoGen support?

AutoGen is available on All platforms.

What can AutoGen do?

AutoGen provides AI chat, agentic/autonomous mode. Key features include: Event-driven foundation (v0.4 architecture), AutoGen-Core component, AgentChat component.

Pricing

Free (Open Source)

$0
  • Full framework
  • Multi-agent support
  • Human-in-loop
  • Async conversations

Company

Name
Microsoft
Founded
1975
Location
Redmond, WA
Users
Thousands of developers

Links

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