ResearchBenchmarksMembership Inference Attack on WikiText (Comprehensive Metrics)Membership Inference Attack on WikiText (Comprehensive Metrics)Follow0.725AUC (LOSS)GPT-20.546120.592560.6390.68544Jan 17, 2026Evaluation resultsMethodMethodLinksAUC (LOSS)AUC (Zlib)AUC (MK++)AUC (RefL)AUC (SPV)AUC (EZ-MIA)TPR@1% FPR (LOSS)TPR@1% FPR (Zlib)TPR@1% FPR (MK++)TPR@1% FPR (RefL)TPR@1% FPR (SPV)TPR@1% FPR (EZ-MIA)GPT-2Fine-tuning method=Ful...Fine-tuning method=Full fine-tuning2026.010.7250.7350.6880.810.8990.9844.15.32.75.217.566.3GPT-JFine-tuning method=LoRAFine-tuning method=LoRA2026.010.5630.5660.540.6150.7630.7811.71.71.42.74.910.7Llama-2Fine-tuning method=LoRAFine-tuning method=LoRA2026.010.5530.5550.5410.6230.780.7711.71.71.32.55.49.4