Agent FrameworksOpen Source✦ Free Tier

AutoGen

Conversational multi-agent framework — superseded by Microsoft Agent Framework

34,000 stars● Health 70/100 — Active· commit recency (40 pts) · star momentum (30 pts) · issue ratio (20 pts) · forks (10 pts)App Infrastructure

About

Microsoft research framework for building multi-agent systems through conversational patterns. Officially superseded by Microsoft Agent Framework 1.0 (April 2026), which merges AutoGen and Semantic Kernel. Large installed base remains; Microsoft publishes a migration path.

Choose AutoGen when…

  • You want conversational multi-agent orchestration
  • Research or Microsoft ecosystem integration matters
  • You need flexible human-in-the-loop patterns

Builder Slot

How does your AI reason and plan?Recommended for most stacks

The framework that structures how your AI thinks, uses tools, and coordinates agents

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App Infra
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Hybrid
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Stack Genome Detection

AIchitect's Genome scanner detects AutoGen in your project via these signals:

pip packages
pyautogenautogen-agentchatautogen-core

Integrates with (5)

LiteLLMLLM Infrastructure

AutoGen accepts LiteLLM-proxied endpoints as model backends via its model_client configuration.

Provider-flexible AutoGen agents — route different agent roles to different models through one LiteLLM config.

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LangfuseObservability

AutoGen emits OpenTelemetry traces that Langfuse captures, recording every agent message, tool call, and LLM interaction.

Conversation-level observability across multi-agent AutoGen runs — trace which agent said what and at what token cost.

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OpenAI APILLM Infrastructure

AutoGen calls OpenAI's API natively for agent reasoning, with full function calling and parallel agent support.

GPT-4o-powered multi-agent conversations with structured tool use and concurrent agent execution.

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Anthropic APILLM Infrastructure

AutoGen connects to Anthropic's API via LiteLLM or a direct connector for Claude-powered agent reasoning.

Claude-powered AutoGen agents with strong instruction following across complex multi-agent handoffs.

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Microsoft Agent Framework is the official successor to AutoGen — Microsoft publishes a migration path so existing AutoGen agents can move to Agent Framework with bounded changes.

Migrate from AutoGen to Microsoft's supported production agent framework with a defined upgrade path.

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Often paired with (1)

Alternatives to consider (1)

Pricing

✦ Free tier available

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