head to head · open source
ComfyUI vs claude-agents-library
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. claude-agents-library has 754 stars, 123 forks, 1 open issues and last shipped 5 months ago. ComfyUI leads on adoption by 17,667% (133,963 vs 754 stars). ComfyUI is written in Python under GPL-3.0; claude-agents-library is written in various languages under MIT. ComfyUI has attracted 12% as many forks as stars, claude-agents-library 16%. ComfyUI was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | claude-agents-library | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 754 |
| License | GPL-3.0 | MIT |
| Written in | Python | — |
| Last push | 2026-09-20 | 2026-04-14 |
| Forks | ⑂ 16K | ⑂ 123 |
| 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 claude-agents-library if
- You want the claude-agents-library feature set and don't need the biggest community
- You prefer the MIT license terms
- You evaluated both and claude-agents-library 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 claude-agents-library
Claude Agents Library is an MIT licensed collection of 34 production ready Claude agent configurations, organised into 7 professional categories and published as markdown files that give Claude a persistent expert persona, built for developers, product managers, marketers, designers, and DevOps engineers who want specialised AI behaviour without writing prompts from scratch.
read the full claude-agents-library overview →
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Frequently asked questions
Is ComfyUI or claude-agents-library more popular?
ComfyUI has 133,963 GitHub stars and claude-agents-library has 754. ComfyUI has the larger community by that measure.
Are ComfyUI and claude-agents-library free?
Both are open source. ComfyUI is licensed under GPL-3.0 and claude-agents-library under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and claude-agents-library?
ComfyUI is written in Python and claude-agents-library in various languages. 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 claude-agents-library?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose claude-agents-library if its feature set, stack or MIT licence fits better. Both are self-hostable.