---
title: "openinference vs promptfoo"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/arize-ai-openinference-vs-promptfoo-promptfoo"
tools: ["arize-ai-openinference", "promptfoo-promptfoo"]
---

# openinference vs promptfoo

Neutral, constraint-first comparison with live GitHub stats.

| | [openinference](/tools/arize-ai-openinference.md) | [promptfoo](/tools/promptfoo-promptfoo.md) |
| --- | --- | --- |
| Tagline | OpenTelemetry Instrumentation for AI Observability | Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. |
| Stars | 1,075 | 23,004 |
| Forks | 266 | 2,054 |
| Open issues | 209 | 402 |
| Language | Python | TypeScript |
| License | Apache-2.0 | MIT |
| Categories | Evaluation & Observability | Developer Tools, Evaluation & Observability |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=arize-ai-openinference`](/api/graphcanon/graph?tool=arize-ai-openinference)
- 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/_