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LLM-generated text detection on Xsum, WritingPrompts, and SQuAD (GPT-5-Chat test)

81.33AUROC

SurpMark

40.385251.015161.64572.2749Oct 8, 2025
Updated 21d ago

Evaluation Results

MethodLinks
2025.10
81.33
2025.10
78.33
2025.10
67.75
2025.10
64.82
2025.10
54.99
2025.10
54.6
2025.10
49.83
2025.10
49.83
2025.10
49.82
2025.10
49.65
2025.10
49.62
2025.10
46.99
2025.10
43.51
2025.10
43.39
2025.10
41.96