---
title: "phoenix vs prompts.chat"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/arize-ai-phoenix-vs-f-prompts-chat"
tools: ["arize-ai-phoenix", "f-prompts-chat"]
---

# phoenix vs prompts.chat

Neutral, constraint-first comparison with live GitHub stats.

| | [phoenix](/tools/arize-ai-phoenix.md) | [prompts.chat](/tools/f-prompts-chat.md) |
| --- | --- | --- |
| Tagline | AI Observability & Evaluation | The world's largest open-source prompt library for AI |
| Stars | 10,440 | 165,025 |
| Forks | 959 | 21,363 |
| Open issues | 639 | 59 |
| Language | Python | HTML |
| License | Other | Other |
| Categories | Evaluation & Observability | LLM Frameworks, Developer Tools |

---

**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/_