Arize Phoenix vs Evidently
An independent, evidence-based trust comparison of Arize Phoenix and Evidently, two Observability & Evaluation projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Evidently leads on trust — 76.3/100 (Grade B) vs 76.1/100 (Grade B), a 0.2-point gap. Full breakdown below.
| Signal | Arize PhoenixArize-AI/phoenix | Evidentlyevidentlyai/evidently |
|---|---|---|
| HVTrust score | 76.1 | 76.3 |
| Evidence grade | B | B |
| Coverage grade | A | A |
| Overall rank | #73 | #71 |
| Rank in Observability & Evaluation | #5 | #4 |
| GitHub stars | 10.9k | 7.8k |
| Last updated | today | today |
| Build provenance | Yes | Yes |
| OSSF Scorecard | — | 3.3 / 10 |
| License | NOASSERTION | Apache-2.0 |
| Downloads | 529k/wk | 296k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 12.2 | 16.1 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 8.5 | 11.3 |
| Maintenance / 20 | 20.0 | 12.0 |
| Adoption / 20 | 17.3 | 16.6 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | — |
| External providers | 8 — Amazon Bedrock, Anthropic, E2B, … | 2 — OpenAI, Postgres |
| Requires API keys | No | No |
| Plugin surface | plugins | — |
| Provenance drift | Partial | Match |
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Arize Phoenix profile
Evidently profile
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How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.2 →