arize-phoenixvsObserval
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| arize-phoenix | Observal | |
|---|---|---|
| Score | 75/100 | 62/100 |
| Rank in category | #1 of 2 in LLMOps | #53 of 209 in AI Agents |
| GitHub stars | 12 258 | 4 298 |
| Stars, last 30 days | +496 | +50 |
| Stable releases, 12 months | 160 | 36 |
| Latest release | @arizeai/phoenix-cli@1.22.0 · 11 Nov 2026 | v1.17.1 · 11 Nov 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | Elastic-2.0 | Apache-2.0 |
| Main language | Python | Python |
Which one should you pick?
arize-phoenix scores 75/100 against 62/100 for Observal, so it is the safer default.
arize-phoenix ships more often: 160 stable releases in the past year, against 36 for Observal.
If you want the quickest setup, arize-phoenix is easier to run; Observal needs more configuration.
arize-phoenix is growing faster right now (+496 stars in 30 days).
Key differences
- License: arize-phoenix is Elastic-2.0, Observal is Apache-2.0.
- Platforms only arize-phoenix lists: Docker, Kubernetes.
- Platforms only Observal lists: Helm.
- Features only arize-phoenix lists: Built-In MCP Server, Data retention policies, Dataset management, Experiments and 10 more.
- Features only Observal lists: Agent and component registry, Agent builder, Agent-to-agent delegation, AI-powered insight reports and 11 more.
arize-phoenix details →Observal details →