smolagents vs 
Google ADK
smolagents vs Google ADK compared for 2026 — features, license, ease of use, performance and which one to choose. Agents in a few lines of code vs Google's official Agent Development Kit.
Updated regularly · curated by OpenSourceAI.tech
smolagents vs Google ADK at a glance
| Spec | smolagents | Google ADK |
|---|---|---|
| Category | AI agent framework | AI agent framework |
| Type | Minimal agent library | Agent framework |
| License | Apache-2.0 | Apache-2.0 |
| Runs locally | Cloud-optional | Partial |
| Primary language | Python | Python |
| Ease of use | Beginner | Intermediate |
| Best for | simple code-writing agents, fast | production agents on the Google/Gemini stack |
| GitHub stars | 28.3k | 20.6k |
How smolagents and Google ADK score
| Criterion | smolagents | Google ADK |
|---|---|---|
| Popularity | 3.5 | 3.5 |
| Maintenance | 5.0 | 5.0 |
| Ease of use | 5.0 | 3.5 |
| Privacy | 3.5 | 3.5 |
| License freedom | 5.0 | 5.0 |
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
smolagents
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
Google ADK
ADK is Google's code-first framework for building, evaluating and deploying agents: hierarchical multi-agent systems, workflow control, built-in eval and a path to Vertex AI.
- Model-agnostic but optimized for Gemini
- Workflow agents give deterministic orchestration
- Built-in evaluation and deployment story
Key differences
smolagents is minimal agent library, while Google ADK is agent framework. smolagents leans more beginner-friendly, whereas Google ADK is more suited to intermediate users. They also differ in how they run (Cloud-optional vs Partial). In short, smolagents fits simple code-writing agents, fast, and Google ADK fits production agents on the Google/Gemini stack.
Which should you choose?
Choose smolagents for simple code-writing agents, fast. Choose Google ADK for production agents on the Google/Gemini stack.
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 smolagents or Google ADK easier to use?
smolagents is generally the easier of the two to get started with, while Google ADK rewards more setup with more control.
Are smolagents and Google ADK free?
smolagents is free and open source (Apache-2.0), and Google ADK is free and open source (Apache-2.0). Neither charges for the core software.
Can I run smolagents and Google ADK locally?
smolagents: cloud-optional · Google ADK: partial. Both can be used without sending your data to a third-party cloud where their setup allows.
smolagents vs Google ADK — which should I pick in 2026?
Choose smolagents for simple code-writing agents, fast. Choose Google ADK for production agents on the Google/Gemini stack.
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