head to head · open source
Hermes Agent vs ChatUI
Hermes Agent has 259,804 GitHub stars, 57,202 forks, 41,784 open issues and last shipped yesterday. ChatUI has 4,462 stars, 426 forks, 53 open issues and last shipped 22 days ago. Hermes Agent leads on adoption by 5,723% (259,804 vs 4,462 stars). Hermes Agent is written in Python under MIT; ChatUI is written in TypeScript under MIT. Hermes Agent has attracted 22% as many forks as stars, ChatUI 10%. Hermes Agent 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
| Hermes Agent | ChatUI | |
|---|---|---|
| GitHub stars | ★ 260K | ★ 4.5K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-12 |
| Forks | ⑂ 57K | ⑂ 426 |
| 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 ChatUI if
- You want the ChatUI feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and ChatUI 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 ChatUI
The UI design language and React library for Conversational UI Website： English 简体中文 Features 😎 Best Practices : The best practice for chat interaction based on our experience of Alime Chatbot 🛡 TypeScript : Written in TypeScript with predictable static types 📱 Responsive : Responsive design to adapt automatically to whatever device ♿ Accessibility : Accessibility support and get the certification from Accessibility Research Association 🎨 Theming : Powerful theme customization in every detail 🌍 International : Internationalization support for dozens of languages Environment Support Modern browsers (support…
read the full ChatUI overview →
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Frequently asked questions
Is Hermes Agent or ChatUI more popular?
Hermes Agent has 259,804 GitHub stars and ChatUI has 4,462. Hermes Agent has the larger community by that measure.
Are Hermes Agent and ChatUI free?
Both are open source. Hermes Agent is licensed under MIT and ChatUI under MIT. Neither carries a licence fee.
What is the difference between Hermes Agent and ChatUI?
Hermes Agent is written in Python and ChatUI in TypeScript. 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 ChatUI?
Choose Hermes Agent if you want the larger community (259,804 stars) or its MIT licence terms. Choose ChatUI if its feature set, stack or MIT licence fits better. Both are self-hostable.