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ResearchFormerly WizWand

Model Fingerprinting on Qwen2.5-derived suspects v0.1

0.9968Similarity ScoreAttnDiff
0.2368720.4341610.631450.828739Apr 7, 2026
Updated 7mo ago

Evaluation results

MethodLinks
AttnDiffSuspect Model=Qwen2.5-1.5B-Instruct, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.9968
AttnDiffSuspect Model=oxy-1-small, Model Family=Qwen2.5, Parameter Scale=14B2026.040.9883
AttnDiffSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.9869
AttnDiffSuspect Model=Qwen2.5-14B-Gutenberg-Instruct-Slerpeno, Model Family=Qwen2.5, Parameter Scale=14B2026.040.9837
AttnDiffSuspect Model=Qwen2.5-14B-Instruct, Model Family=Qwen2.5, Parameter Scale=14B2026.040.9821
AttnDiffSuspect Model=Qwen2.5-Math-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.9471
REEFSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.9458
ProFlingoSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.84
PCSSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.8385
LLMmapSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.8231
LogitsSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.5275
ICSSuspect Model=Qwen2.5-Coder-1.5B, Model Family=Qwen2.5, Parameter Scale=1.5B2026.040.2661