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Guardrail False Positive Rate Estimation on GSM8K benign prompts

0False Positive RatePerplexity Filter
-0.724.14913.86Apr 1, 2026

Evaluation results

MethodLinks
Perplexity FilterBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.040
Prompt GuardBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.040
Llama GuardBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Pre, Number of NTs (Q)=102026.040
Llama GuardBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Post, Number of NTs (Q)=102026.040
SelfDefendBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Intent, Number of NTs (Q)=102026.040
SelfGraderBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.040
SelfDefendBackbone Model=Vicuna-13B-v1.5, Guardrail Processing Stage=Direct, Number of NTs (Q)=102026.040.66
GradientCuffBackbone Model=Vicuna-13B-v1.5, Number of NTs (Q)=102026.0418