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Guardrail False Positive Rate Estimation on OR-Bench benign prompts

0False Positive RatePerplexity Filter
-0.8644.96810.816.632Apr 1, 2026

Evaluation results

MethodLinks
Perplexity FilterBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.040
Llama GuardBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Post, Number of NTs (Q)=102026.041
SelfGraderBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.041.6
Prompt GuardBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.042.5
Llama GuardBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Pre, Number of NTs (Q)=102026.045.4
SelfDefendBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Intent, Number of NTs (Q)=102026.048.6
GradientCuffBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.0412.4
SelfDefendBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Direct, Number of NTs (Q)=102026.0421.6