AutoGen vs LlamaIndex
AutoGen and LlamaIndex are both agent frameworks for Python. AutoGen is published by Microsoft and LlamaIndex by LlamaIndex. On GitHub, AutoGen has 61,549 stars and LlamaIndex has 52,641. Both were last active in Oct 2026. The table lines up where they differ (publisher, license and weekly downloads) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. AutoGen describes itself as: Archived Microsoft Python framework for multi-agent apps; Microsoft directs new users to Microsoft Agent Framework. LlamaIndex: Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages. Licenses: AutoGen CC-BY-4.0, LlamaIndex MIT.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
AutoGen
Microsoft
Archived Microsoft Python framework for multi-agent apps; Microsoft directs new users to Microsoft Agent Framework.
LlamaIndex
LlamaIndex
Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages.
Who should pick which
- Pick AutoGen if you need several agents working together.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | AutoGen | LlamaIndex |
|---|---|---|
| Type | Harness | Harness |
| Publisher | Microsoft | LlamaIndex |
| License | CC-BY-4.0 | MIT |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 61,549 | 52,641 |
| Weekly downloads | 88,975 | 1,391,530 |
| Last release | Sep 30, 2025 | Sep 21, 2026 |
| Last activity | Oct 16, 2026 | Oct 14, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
AutoGen
pip install autogen-agentchat
LlamaIndex
pip install llama-index
Also consider
- 0.851score
Strands Agents
AWS
Open-source Python and TypeScript SDK for model-driven agents, with tools, MCP, multi-agent patterns and streaming.
HarnessAFreshness: A★ 8.9K↓ 8.9M/wk - 0.841score
GitHub Copilot SDK
GitHub
Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.
HarnessAFreshness: A★ 10.6K↓ 1.2M/wk - 0.799score
Genkit
Google
Open-source Firebase framework for AI features and agent workflows in JavaScript, Go, Python and Dart, with model plugins.
HarnessAFreshness: A★ 6.5K↓ 95.8K/wk
Questions
- Is AutoGen or LlamaIndex more popular?
- AutoGen has more GitHub stars (61,549 against 52,641). Stars measure attention, not quality, so check freshness and docs too.
- Are AutoGen and LlamaIndex open source?
- Yes: AutoGen is CC-BY-4.0 and LlamaIndex is MIT.
Related
Cite this page
AutoGen vs LlamaIndex. Agent Mart. https://agentmart.dev/compare/autogen-vs-llamaindex (last updated 2026-10-26)