Open-Source AI · AI agent framework

AutoGen vs smolagents

AutoGen vs smolagents compared for 2026 — features, license, ease of use, performance and which one to choose. Microsoft's conversational agent framework vs Agents in a few lines of code.

Updated regularly · curated by OpenSourceAI.tech

Choose AutoGen for researchers building conversational agent systems. Choose smolagents for simple code-writing agents, fast.

AutoGen vs smolagents at a glance

SpecAutoGensmolagents
CategoryAI agent frameworkAI agent framework
TypeMulti-agent frameworkMinimal agent library
LicenseMITApache-2.0
Runs locallyCloud-optionalCloud-optional
Primary languagePythonPython
Ease of useAdvancedBeginner
Best forresearchers building conversational agent systemssimple code-writing agents, fast
GitHub stars60.1k28.6k

How AutoGen and smolagents score

🏆 Overall edge: smolagents — 4.4 vs 3.9 / 5
CriterionAutoGensmolagents
Popularity4.53.5
Maintenance4.05.0
Ease of use2.55.0
Privacy3.53.5
License freedom5.05.0

Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.

What each one is

AutoGen

Multi-agent framework · MIT

AutoGen — the official full name, short for “Automated Generation” — is Microsoft’s open-source framework for building multi-agent AI systems where agents converse to solve tasks, with strong support for code execution and tool use.

  • Flexible multi-agent conversation patterns
  • Strong code-execution and tool-use support
  • Backed by Microsoft Research
See the AutoGen page →

smolagents

Minimal agent library · Apache-2.0

smolagents is Hugging Face's minimalist library for building agents that think in code, with first-class support for any LLM and Hugging Face tools.

  • Tiny API, agents in a few lines
  • Code-first agents that are easy to debug
  • Backed by Hugging Face
See the smolagents page →

Key differences

AutoGen is multi-agent framework, while smolagents is minimal agent library. Their licenses differ (MIT vs Apache-2.0), which matters if you ship a commercial product. AutoGen leans more advanced-friendly, whereas smolagents is more suited to beginner users. In short, AutoGen fits researchers building conversational agent systems, and smolagents fits simple code-writing agents, fast.

Which should you choose?

Choose AutoGen for researchers building conversational agent systems. Choose smolagents for simple code-writing agents, fast.

There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.

Frequently asked questions

Is AutoGen or smolagents easier to use?

smolagents is generally the easier of the two to get started with, while AutoGen rewards more setup with more control.

Are AutoGen and smolagents free?

AutoGen is free and open source (MIT), and smolagents is free and open source (Apache-2.0). Neither charges for the core software.

Can I run AutoGen and smolagents locally?

AutoGen: cloud-optional · smolagents: cloud-optional. Both can be used without sending your data to a third-party cloud where their setup allows.

AutoGen vs smolagents — which should I pick in 2026?

Choose AutoGen for researchers building conversational agent systems. Choose smolagents for simple code-writing agents, fast.

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