Garak vs NeMo Guardrails
An independent, evidence-based trust comparison of Garak and NeMo Guardrails, two Security & Guardrails projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
NeMo Guardrails leads on trust — 72.1/100 (Grade B) vs 58.9/100 (Grade C), a 13.2-point gap. Full breakdown below.
| Signal | Garakleondz/garak | NeMo GuardrailsNVIDIA/NeMo-Guardrails |
|---|---|---|
| HVTrust score | 58.9 | 72.1 |
| Evidence grade | C | B |
| Coverage grade | A | A |
| Overall rank | #351 | #118 |
| Rank in Security & Guardrails | #9 | #3 |
| GitHub stars | 8.8k | 7.0k |
| Last updated | 1d ago | today |
| Build provenance | No | No |
| OSSF Scorecard | 4.9 / 10 | 6.4 / 10 |
| License | Apache-2.0 | NOASSERTION |
| Downloads | 14k/wk | 79k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 9.9 | 13.0 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.7 | 13.9 |
| Maintenance / 20 | 19.8 | 18.6 |
| Adoption / 20 | 15.0 | 15.8 |
| Runtime capability surface (full matrix) | ||
| MCP server | — | — |
| External providers | 8 — Amazon Bedrock, Anthropic, Cohere, … | 1 — OpenAI |
| Requires API keys | Yes | No |
| Plugin surface | plugins | — |
| Provenance drift | Warning | Unknown |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.3 →