head to head · open source
Hermes Agent vs stable-diffusion-webui
Hermes Agent has 252,766 GitHub stars, 54,729 forks, 41,784 open issues and last shipped yesterday. stable-diffusion-webui has 165,041 stars, 33,088 forks, 2,510 open issues and last shipped 7 months ago. Hermes Agent leads on adoption by 53% (252,766 vs 165,041 stars). Hermes Agent is written in Python under MIT; stable-diffusion-webui is written in Python under AGPL-3.0. Hermes Agent has attracted 22% as many forks as stars, stable-diffusion-webui 20%. 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 | stable-diffusion-webui | |
|---|---|---|
| GitHub stars | ★ 253K | ★ 165K |
| License | MIT | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-10-11 | 2026-03-02 |
| Forks | ⑂ 55K | ⑂ 33K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hermes Agent if
- You weight community size — 253K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick stable-diffusion-webui if
- You want the stable-diffusion-webui 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 stable-diffusion-webui fits your workflow better
About Hermes Agent
Hermes Agent is a desktop AI agent developed by Nous Research that maintains persistent memory and self improving capabilities across sessions and platforms. It operates as a local first, cross platform interface for LLMs, integrating with multiple model providers and deployment environments without vendor lock in. The agent implements a closed learning loop where it curates its own memory, creates and refines skills from experience, and supports cross session recall via full text search and summarization.
read the full Hermes Agent overview →
About stable-diffusion-webui
stable diffusion webui is a Gradio based web interface for the Stable Diffusion image generation models, aimed at artists, hobbyists, and researchers who want text to image and image to image workflows in a browser without writing code.
read the full stable-diffusion-webui overview →
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Frequently asked questions
Is Hermes Agent or stable-diffusion-webui more popular?
Hermes Agent has 252,766 GitHub stars and stable-diffusion-webui has 165,041. Hermes Agent has the larger community by that measure.
Are Hermes Agent and stable-diffusion-webui free?
Both are open source. Hermes Agent is licensed under MIT and stable-diffusion-webui under AGPL-3.0. Neither carries a licence fee.
What is the difference between Hermes Agent and stable-diffusion-webui?
Hermes Agent is written in Python and stable-diffusion-webui 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 stable-diffusion-webui?
Choose Hermes Agent if you want the larger community (252,766 stars) or its MIT licence terms. Choose stable-diffusion-webui if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.