arize-phoenixvsopenlit
Two self-hosted LLMOps projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| arize-phoenix | openlit | |
|---|---|---|
| Score | 75/100 | 67/100 |
| Rank in category | #1 of 2 in LLMOps | #2 of 2 in LLMOps |
| GitHub stars | 12 267 | 3 061 |
| Stars, last 30 days | +498 | +227 |
| Stable releases, 12 months | 160 | 26 |
| Latest release | @arizeai/phoenix-cli@1.22.0 · 11 Nov 2026 | otel-gpu-collector-1.0.0 · 13 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | Elastic-2.0 | Apache-2.0 |
| Main language | Python | Typescript |
Which one should you pick?
arize-phoenix scores 75/100 against 67/100 for openlit, so it is the safer default.
arize-phoenix ships more often: 160 stable releases in the past year, against 26 for openlit.
If you want the quickest setup, arize-phoenix is easier to run; openlit needs more configuration.
arize-phoenix is growing faster right now (+498 stars in 30 days).
Key differences
- License: arize-phoenix is Elastic-2.0, openlit is Apache-2.0.
- Language: arize-phoenix is written mainly in Python, openlit in Typescript.
- Platforms only arize-phoenix lists: Docker, Kubernetes.
- Platforms only openlit lists: Helm.
- Features only arize-phoenix lists: Built-In MCP Server, Data retention policies, Dataset management, Experiments and 9 more.
- Features only openlit lists: Built-in AI copilot, Coding agent monitoring, Custom dashboards, GPU Monitoring and 10 more.
- Both offer: Prompt Management.
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