Agent Frameworks · Head-to-head
autogen vs langchain
autogen and langchain are both agent frameworks. autogen is A programming framework for agentic AI, while langchain is the agent engineering platform. Here's an independent, side-by-side look at how they compare — and which fits.
autogen and langchain are both open-source agent frameworks you can self-host for free. langchain has wider GitHub adoption — 144k stars vs 60k. Neither is universally better — pick by fit.
Side by side
| Spec | autogen | langchain |
|---|---|---|
| Type | Framework | Framework |
| Model | Open source | Open source |
| Pricing | Open source | Open source |
| GitHub stars | 60,339 | 143,843 |
| Language | Python | Python |
| License | CC-BY-4.0 | MIT |
| Last activity | Apr 2026 | Aug 2026 |
Key differences
- langchain has wider GitHub adoption — 144k stars vs 60k.
- Licensing differs: autogen is CC-BY-4.0, langchain is MIT.
Research-grade multi-agent conversation patterns backed by Microsoft.
Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications.
Frequently asked
- What's the main difference between autogen and langchain?
- langchain has wider GitHub adoption — 144k stars vs 60k.
- Is autogen or langchain better?
- Neither is universally better. autogen is the stronger fit for Research-grade multi-agent conversation patterns backed by Microsoft; langchain for Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications. Use the side-by-side specs to decide by your own constraints.
- Is autogen or langchain free?
- autogen is free to run and self-host; langchain is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.
- Which is more popular, autogen or langchain?
- By GitHub stars — a proxy for open-source adoption — langchain is ahead (144k vs 60k). Stars measure attention, not necessarily the better fit for you.
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