An independent, evidence-weighted trust comparison of two security & guardrails — ranked on verifiable signals, not popularity.
| Signal | NeMo Guardrails | Garak |
|---|---|---|
| HVTrust score | 72.0 | 68.7 |
| Evidence grade | B | B |
| Registry state | Listed | Listed |
| Safety / Integrity (25) | 12.8 | 10.5 |
| Identity / Provenance (18) | 10.8 | 10.8 |
| Transparency (17) | 13.8 | 12.9 |
| Maintenance (20) | 19.0 | 19.4 |
| Adoption (20) | 15.6 | 15.1 |
| GitHub stars | 6.4k | 8.0k |
| Weekly downloads | 74,535 | 18,434 |
| Last push | 2026-06-04 | 2026-06-04 |
| Language | Python | Python |
| OSSF Scorecard | 6.2 | 5.2 |
| Review flags | — | — |
| Recent change | 2026-06-04: Rank dropped 10 spots (#45 → #55) | 2026-06-01: Rank dropped 13 spots (#52 → #65) |