ResearchBenchmarksMembership Inference Attack on XSumMembership Inference Attack on XSumFollow33.1TPR @ 0.1% FPREZ-MIA-0.81447.990316.79525.5997Jan 17, 2026Evaluation resultsMethodMethodLinksTPR @ 0.1% FPRMultiplicityEZ-MIAModel=GPT-2Model=GPT-22026.0133.16.1SPV-MIAModel=GPT-2Model=GPT-22026.015.41—EZ-MIAModel=GPT-JModel=GPT-J2026.015.47.4EZ-MIAModel=Llama-2Model=Llama-22026.014.38.8SPV-MIAModel=GPT-JModel=GPT-J2026.010.73—SPV-MIAModel=Llama-2Model=Llama-22026.010.49—