head to head · open source
Hermes Agent vs ComfyUI
Hermes Agent has 259,804 GitHub stars, 57,202 forks, 41,784 open issues and last shipped 2 days ago. ComfyUI has 144,658 stars, 17,237 forks, 4,894 open issues and last shipped 2 days ago. Hermes Agent leads on adoption by 80% (259,804 vs 144,658 stars). Hermes Agent is written in Python under MIT; ComfyUI is written in Python under GPL-3.0. Hermes Agent has attracted 22% as many forks as stars, ComfyUI 12%. Hermes Agent 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
| Hermes Agent | ComfyUI | |
|---|---|---|
| GitHub stars | ★ 260K | ★ 145K |
| License | MIT | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 57K | ⑂ 17K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hermes Agent if
- You weight community size — 260K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ComfyUI if
- You want the ComfyUI feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and ComfyUI fits your workflow better
About Hermes Agent
Hermes Agent ☤ Hermes Agent Hermes Desktop The self improving AI agent built by Nous Research. It's the only agent with a built in learning loop — it creates skills from experience, improves them during use, nudges itself to persist knowledge, searches its own past conversations, and builds a deepening model of who you are across sessions. Run it on a $5 VPS, a GPU cluster, or serverless infrastructure that costs nearly nothing when idle. It's not tied to your laptop — talk to it from Telegram while it works on a cloud VM. Use any model you want — Nous Portal, OpenRouter, OpenAI, your own endpoint, and many…
read the full Hermes Agent overview →
About ComfyUI
ComfyUI The most powerful and modular AI engine for content creation. [![Website][website shield]][website url] [![Dynamic JSON Badge][discord shield]][discord url] [![Twitter][twitter shield]][twitter url] [![Matrix][matrix shield]][matrix url] [![][github release shield]][github release link] [![][github release date shield]][github release link] [![][github downloads shield]][github downloads link] [![][github downloads latest shield]][github downloads link] [matrix shield]: [matrix url]: [website shield]: [website url]: [discord shield]: [discord url]: [twitter shield]: [twitter url]: [github release…
read the full ComfyUI overview →
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Frequently asked questions
Is Hermes Agent or ComfyUI more popular?
Hermes Agent has 259,804 GitHub stars and ComfyUI has 144,658. Hermes Agent has the larger community by that measure.
Are Hermes Agent and ComfyUI free?
Both are open source. Hermes Agent is licensed under MIT and ComfyUI under GPL-3.0. Neither carries a licence fee.
What is the difference between Hermes Agent and ComfyUI?
Hermes Agent is written in Python and ComfyUI 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, Hermes Agent or ComfyUI?
Choose Hermes Agent if you want the larger community (259,804 stars) or its MIT licence terms. Choose ComfyUI if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.