head to head · open source
Hermes Agent vs AGenUI
Hermes Agent has 259,804 GitHub stars, 57,202 forks, 41,784 open issues and last shipped yesterday. AGenUI has 1,220 stars, 174 forks, 7 open issues and last shipped yesterday. Hermes Agent leads on adoption by 21,195% (259,804 vs 1,220 stars). Hermes Agent is written in Python under MIT; AGenUI is written in C++ under Apache-2.0. Hermes Agent has attracted 22% as many forks as stars, AGenUI 14%. 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-agents), 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 | AGenUI | |
|---|---|---|
| GitHub stars | ★ 260K | ★ 1.2K |
| License | MIT | Apache-2.0 |
| Written in | Python | C++ |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 57K | ⑂ 174 |
| 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 AGenUI if
- You want the AGenUI feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and AGenUI 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 AGenUI
AGenUI AGenUI is a high performance A2UI SDK for building native generative UI experiences across iOS, Android, and HarmonyOS. Official Website · Quick Start · API Reference · Contributing English 中文 This project is under active development and evolving rapidly. Contributions, feedback, and discussions are warmly welcome. What's New in v1.5.0 Released on 2026 09 04 (iOS) Runtime Configuration API : Added AGenUI.setRuntimeConfig( :) , which accepts a JSON string of runtime switches from the host so behavior can be toggled remotely. Call it once during SDK initialization, before any surface renders. (iOS) Physical…
read the full AGenUI overview →
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Frequently asked questions
Is Hermes Agent or AGenUI more popular?
Hermes Agent has 259,804 GitHub stars and AGenUI has 1,220. Hermes Agent has the larger community by that measure.
Are Hermes Agent and AGenUI free?
Both are open source. Hermes Agent is licensed under MIT and AGenUI under Apache-2.0. Neither carries a licence fee.
What is the difference between Hermes Agent and AGenUI?
Hermes Agent is written in Python and AGenUI in C++. 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 AGenUI?
Choose Hermes Agent if you want the larger community (259,804 stars) or its MIT licence terms. Choose AGenUI if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.