AutoGen

Microsoft's multi-agent conversation framework.

Try AutoGen

Best for

Best for engineering teams + researchers learning multi-agent patterns.

At a glance

Pricing: open-source
Setup time: 4 hours
Learning curve: moderate
Last verified: 5/26/2026

What we love

✓Microsoft-maintained
✓Strong reference patterns
✓Active community

Where it falls short

−Research/reference-feel
−Less polished than LangGraph for prod
−API churn between versions

Pricing

✓ Pricing verified Jun 21, 2026

1 tier

OSS

perpetual

✓MIT

Overview

AutoGen by Microsoft is an OSS framework for building applications where multiple LLM agents converse to solve problems. Strong reference for multi-agent design patterns.

Key features

●Multi-agent conversation
●GroupChat patterns
●Custom agents
●Function calling
●OSS + Microsoft-backed

Best use cases

Multi-agent research

Prototype multi-agent systems with conversation patterns.

Reference architecture

Study how to build multi-agent systems via well-documented patterns.

Integrations

Python

OpenAI

Anthropic

Azure OpenAI

LangChain

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