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NeMo Guardrails vs Guardrails AI

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

NeMo Guardrails ranks higher with an HVTrust score of 72.0 vs 62.9/100 (Grade B vs C). HVTrust reflects supply-chain safety, transparency, maintenance, and adoption — weighted by how much verifiable evidence exists.
SignalNeMo GuardrailsGuardrails AI
HVTrust score72.062.9
Evidence gradeBC
Registry stateListedListed
Safety / Integrity (25)12.811.1
Identity / Provenance (18)10.810.8
Transparency (17)13.813.3
Maintenance (20)19.013.8
Adoption (20)15.613.9
GitHub stars6.4k7.0k
Weekly downloads74,5353,214
Last push2026-06-042026-06-04
LanguagePythonPython
OSSF Scorecard6.25.6
Review flags——
Recent change2026-06-04: Rank dropped 10 spots (#45 → #55)2026-06-02: Rank dropped 11 spots (#90 → #101)
Full NeMo Guardrails report → Full Guardrails AI report → All Security & Guardrails →