ResearchBenchmarksModel Fingerprinting on Llama-2 DPO 7BModel Fingerprinting on Llama-2 DPO 7BFollow99.94Similarity ScoreAttnDiff25.122444.546263.9783.3938Apr 7, 2026Evaluation resultsMethodMethodLinksSimilarity ScoreAttnDiff2026.0499.94ICSMethod Category=Parame...Method Category=Parameter-based2026.0499.84PCSMethod Category=Parame...Method Category=Parameter-based2026.0499.72REEFMethod Category=Repres...Method Category=Representation-level2026.0494.96LLMMap2026.0484.27LogitsMethod Category=Output...Method Category=Output-level2026.0471.44ProFlingoMethod Category=Text-l...Method Category=Text-level2026.0428