head to head · open source
ComfyUI vs Gemini-API
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. Gemini-API has 3,523 stars, 556 forks, 37 open issues and last shipped 24 days ago. ComfyUI leads on adoption by 3,703% (133,963 vs 3,523 stars). ComfyUI is written in Python under GPL-3.0; Gemini-API is written in Python under AGPL-3.0. ComfyUI has attracted 12% as many forks as stars, Gemini-API 16%. ComfyUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ComfyUI | Gemini-API | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 3.5K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-08-27 |
| Forks | ⑂ 16K | ⑂ 556 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 134K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Gemini-API if
- You want the Gemini-API feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Gemini-API fits your workflow better
About ComfyUI
ComfyUI is a GPL 3.0 licensed Python and PyTorch node graph application, local API, and backend for running diffusion models across image, video, audio, 3D, and text workflows, built for visual professionals who want control over every model, parameter, and output, and for developers who embed those workflows into production pipelines.
read the full ComfyUI overview →
About Gemini-API
Gemini API is a reverse engineered, asynchronous Python wrapper for the Google Gemini web app (formerly Bard), built for Python developers who want to drive Gemini's text, image, video, and audio generation from their own code instead of a browser.
read the full Gemini-API overview →
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Frequently asked questions
Is ComfyUI or Gemini-API more popular?
ComfyUI has 133,963 GitHub stars and Gemini-API has 3,523. ComfyUI has the larger community by that measure.
Are ComfyUI and Gemini-API free?
Both are open source. ComfyUI is licensed under GPL-3.0 and Gemini-API under AGPL-3.0. Neither carries a licence fee.
What is the difference between ComfyUI and Gemini-API?
ComfyUI is written in Python and Gemini-API in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ComfyUI or Gemini-API?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose Gemini-API if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.