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LLM-generated text detection on Xsum, WritingPrompts, and SQuAD Aggregated (test)

99.46GPT2-XLLastde++
49.165662.222875.2888.3372Oct 8, 2025

Evaluation results

MethodLinks
Lastde++B=100, setting=black-box2025.1099.4691.5494.2985.1394.1595.595.977.4776.990.04
Binocularssetting=black-box2025.1099.1985.7687.582.0286.996.9396.4168.3673.5786.19
SurpMarkk=7, B=2, setting=black-box2025.1098.3593.195.4286.494.8897.5897.1780.7476.8991.17
SurpMarkk=6, B=2, setting=black-box2025.1098.0792.9695.1986.7894.4997.4197.0681.7477.491.23
Fast-DetectGPTsetting=black-box2025.1097.9486.8389.1583.1790.5598.2197.9874.3273.9588.01
Lastdesetting=black-box2025.1095.9785.8889.0980.1688.8993.2994.2972.9969.4885.56
DetectNPRB=100, setting=black-box2025.1094.9381.9186.477.9384.0695.1993.6769.4571.4983.89
DetectGPTB=100, setting=black-box2025.1094.4579.5584.7175.7182.8886.5186.2864.2369.0580.37
DetectLRRsetting=black-box2025.1091.0785.8187.1280.2788.4896.4394.8581.5475.586.79
LogRanksetting=black-box2025.1088.279.2578.2975.3781.9995.995.0571.0469.1881.59
Likelihoodsetting=black-box2025.1085.0274.8273.3272.0377.2294.3993.9365.2265.877.97
DNA-GPTB=10, setting=black-box2025.1081.9870.6872.6970.4273.8695.9196.5464.7965.3276.91
R-Detectsetting=black-box2025.1074.3863.5867.763.3565.8379.9881.6462.2255.4668.24
FourierGPTsetting=black-box2025.1054.7254.2856.556.5152.4772.4372.0654.8355.8459.07
Entropysetting=black-box2025.1051.147.1550.9445.9448.8829.0329.315346.8544.69