A agentindex
Comparison

AutoGen vs LlamaIndex

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

AutoGen

Microsoft's framework for multi-agent conversations.

  • + Backed by Microsoft research
  • + Strong on conversational agent patterns
  • − API churned across major versions
  • − Heavier abstraction layer

LlamaIndex

The data framework for LLM applications.

  • + Best-in-class data connectors and retrieval
  • + Workflows now support agentic flows
  • − Broad surface area is intimidating
  • − Agent story overlaps with LangGraph
Spec AutoGen LlamaIndex
Role Agent framework Agent framework
Tags agent-framework, library, multi-agent, persona-solo-builder, persona-platform-engineer agent-framework, library, rag, persona-solo-builder, persona-platform-engineer
License MIT MIT
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing free free
Price Free Free
Usage cost BYOK BYOK
Models claude, gpt, gemini, byok claude, gpt, gemini, local, byok
Languages python, dotnet python, typescript
GitHub stars 59.5k 50.6k
Last activity 2026-04-15 2026-07-02