Arize Phoenix vs Hermes Agent
A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Arize Phoenix
Open-source AI observability and evaluation platform
VS
Hermes Agent
The AI agent that grows with you
| Feature | Arize Phoenix | Hermes Agent |
|---|---|---|
| Category | Self-Hosted AI | Self-Hosted AI |
| License | Elastic-2.0 | free |
| Language | Python | Python |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, source | docker, one-click |
| GitHub stars | ★ 10,939 | ★ 227,143 |
| First released | 2023 | 2022 |
| Replaces | LangSmith, Helicone | — |
Why pick each one
Choose Arize Phoenix if…
- Released under the Elastic-2.0 license
- First-class Docker support for quick deployment
- Mature project with 10.9k GitHub stars
- Written in Python
Choose Hermes Agent if…
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- One-click install on common self-host platforms
- Mature project with 227.1k GitHub stars
Frequently asked questions
Is Arize Phoenix or Hermes Agent better?
Hermes Agent is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Arize Phoenix if its specific feature set fits your needs better.
Are Arize Phoenix and Hermes Agent free and open-source?
Yes. Arize Phoenix is licensed under Elastic-2.0 and Hermes Agent under free. Both can be self-hosted at no software cost.
Can I run Arize Phoenix and Hermes Agent with Docker?
Arize Phoenix: yes. Hermes Agent: yes.