arize-phoenixvshelicone
Two self-hosted LangSmith alternatives, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| arize-phoenix | helicone | |
|---|---|---|
| Score | 75/100 | 68/100 |
| Rank in category | #1 of 2 in LLMOps | #23 of 123 in AI |
| GitHub stars | 12 258 | 6 280 |
| Stars, last 30 days | +496 | +72 |
| Stable releases, 12 months | 160 | 0 |
| Latest release | @arizeai/phoenix-cli@1.22.0 · 11 Nov 2026 | — |
| Setup | Easy | Advanced |
| 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 68/100 for helicone, so it is the safer default.
arize-phoenix ships more often: 160 stable releases in the past year, against 0 for helicone.
If you want the quickest setup, arize-phoenix is easier to run; helicone needs more configuration.
arize-phoenix is growing faster right now (+496 stars in 30 days).
Key differences
- License: arize-phoenix is Elastic-2.0, helicone is Apache-2.0.
- Language: arize-phoenix is written mainly in Python, helicone in Typescript.
- Platforms only arize-phoenix lists: Kubernetes.
- Platforms only helicone lists: Build from Source, Helm.
- Features only arize-phoenix lists: Built-In MCP Server, Data retention policies, Dataset management, Experiments and 9 more.
- Features only helicone lists: Agent Tracing, AI Gateway, Alerts, Cost Tracking and 10 more.
- Both offer: Prompt Management.
arize-phoenix details →helicone details → All LangSmith alternatives →
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