An independent, evidence-weighted trust comparison of two security & guardrails — ranked on verifiable signals, not popularity.
| Signal | NeMo Guardrails | Guardrails AI |
|---|---|---|
| HVTrust score | 71.8 | 61.4 |
| Evidence grade | B | B |
| Safety / Integrity (30) | 16.2 | 13.3 |
| Transparency (20) | 16.8 | 15.6 |
| Maintenance (20) | 19.0 | 13.5 |
| Adoption (10) | 7.8 | 7.0 |
| GitHub stars | 6.3k | 6.9k |
| Weekly downloads | 69,738 | 3,533 |
| Last push | 2026-05-29 | 2026-05-26 |
| Language | Python | Python |
| OSSF Scorecard | 6.8 | 5.6 |