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Guardrails AI vs NeMo Guardrails

An independent, evidence-weighted trust comparison of two security & guardrails — ranked on verifiable signals, not popularity.

Guardrails AI ranks higher with an HVTrust score of 81.3 vs 72.0/100 (Grade A vs B). HVTrust reflects supply-chain safety, transparency, maintenance, and adoption — weighted by how much verifiable evidence exists.
SignalGuardrails AINeMo Guardrails
HVTrust score81.372.0
Evidence gradeAB
Registry stateListedListed
Safety / Integrity (25)19.112.8
Identity / Provenance (18)18.010.8
Transparency (17)13.313.8
Maintenance (20)16.619.0
Adoption (20)14.315.6
GitHub stars7.0k6.4k
Weekly downloads6,61374,535
Last push2026-06-042026-06-05
LanguagePythonPython
OSSF Scorecard5.66.2
Review flags——
Recent change2026-06-05: Package provenance attestation detected2026-06-04: Rank dropped 10 spots (#45 → #55)
Full Guardrails AI report → Full NeMo Guardrails report → All Security & Guardrails →