---
title: "ECC vs phoenix"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/affaan-m-ecc-vs-arize-ai-phoenix"
tools: ["affaan-m-ecc", "arize-ai-phoenix"]
---

# ECC vs phoenix

Neutral, constraint-first comparison with live GitHub stats.

| | [ECC](/tools/affaan-m-ecc.md) | [phoenix](/tools/arize-ai-phoenix.md) |
| --- | --- | --- |
| Tagline | The agent harness performance optimization system | AI Observability & Evaluation |
| Stars | 226,991 | 10,440 |
| Forks | 34,707 | 959 |
| Open issues | 73 | 639 |
| Language | JavaScript | Python |
| License | MIT | Other |
| Categories | AI Agents, Developer Tools | Evaluation & Observability |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=affaan-m-ecc`](/api/graphcanon/graph?tool=affaan-m-ecc)
- 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/_