Comparison
openinference vs promptfoo
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
vs
| openinference | promptfoo | |
|---|---|---|
| Tagline | OpenTelemetry Instrumentation for AI Observability | Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. |
| Stars | 1.1k | 23k |
| Forks | 266 | 2.1k |
| Open issues | 209 | 402 |
| Language | Python | TypeScript |
| License | Apache-2.0 | MIT |
| Last pushed | Jul 7, 2026 | Jul 7, 2026 |
| Categories | Evaluation & Observability | Developer Tools, Evaluation & Observability |
Choose openinference if…
- More recently updated (last pushed Jul 7, 2026).
- Leaner open-issue backlog (209).