---
title: "phoenix vs opik"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/arize-ai-phoenix-vs-comet-ml-opik"
tools: ["arize-ai-phoenix", "comet-ml-opik"]
---

# phoenix vs opik

Neutral, constraint-first comparison with live GitHub stats.

| | [phoenix](/tools/arize-ai-phoenix.md) | [opik](/tools/comet-ml-opik.md) |
| --- | --- | --- |
| Tagline | AI Observability & Evaluation | Comprehensive tracing, automated evaluations, and production-ready dashboards for LLM applications. |
| Stars | 10,440 | 20,394 |
| Forks | 959 | 1,587 |
| Open issues | 639 | 147 |
| Language | Python | Python |
| License | Other | Apache-2.0 |
| Categories | Evaluation & Observability | Evaluation & Observability |

**Typed relationship:** phoenix _(related)_ opik

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=arize-ai-phoenix`](/api/graphcanon/graph?tool=arize-ai-phoenix)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_