Google ADK vs 
Composio
Google ADK vs Composio compared for 2026 — features, license, ease of use, performance and which one to choose. Google's official Agent Development Kit vs 250+ ready-made tools for your agents.
Updated regularly · curated by OpenSourceAI.tech
Google ADK vs Composio at a glance
| Spec | Google ADK | Composio |
|---|---|---|
| Category | AI agent framework | AI agent framework |
| Type | Agent framework | Tool integration layer |
| License | Apache-2.0 | Elastic-2.0 |
| Runs locally | Partial | Cloud-optional |
| Primary language | Python | Python |
| Ease of use | Intermediate | Beginner |
| Best for | production agents on the Google/Gemini stack | agents that must act on real SaaS accounts |
| GitHub stars | 20.6k | 29.2k |
How Google ADK and Composio score
| Criterion | Google ADK | Composio |
|---|---|---|
| Popularity | 3.5 | 3.5 |
| Maintenance | 5.0 | 5.0 |
| Ease of use | 3.5 | 5.0 |
| Privacy | 3.5 | 3.5 |
| License freedom | 5.0 | 3.5 |
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
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
Composio
Composio gives agents production-ready integrations (GitHub, Slack, Gmail, Notion and 250+ more) with managed auth, so agents can act on real accounts safely.
- 250+ integrations with managed auth
- Works with every major agent framework
- Handles OAuth pain for you
Key differences
Google ADK is agent framework, while Composio is tool integration layer. Their licenses differ (Apache-2.0 vs Elastic-2.0), which matters if you ship a commercial product. Google ADK leans more intermediate-friendly, whereas Composio is more suited to beginner users. They also differ in how they run (Partial vs Cloud-optional). In short, Google ADK fits production agents on the Google/Gemini stack, and Composio fits agents that must act on real SaaS accounts.
Which should you choose?
Choose Google ADK for production agents on the Google/Gemini stack. Choose Composio for agents that must act on real SaaS accounts.
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 Google ADK or Composio easier to use?
Composio is generally the easier of the two to get started with, while Google ADK rewards more setup with more control.
Are Google ADK and Composio free?
Google ADK is free and open source (Apache-2.0), and Composio is free and open source (Elastic-2.0). Neither charges for the core software.
Can I run Google ADK and Composio locally?
Google ADK: partial · Composio: cloud-optional. Both can be used without sending your data to a third-party cloud where their setup allows.
Google ADK vs Composio — which should I pick in 2026?
Choose Google ADK for production agents on the Google/Gemini stack. Choose Composio for agents that must act on real SaaS accounts.
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