AI-Generated Text Detection on XSum, WritingPrompts, and Reddit Averaged benchmark leaderboard · SOTA2 Research

AI-Generated Text Detection on XSum, WritingPrompts, and Reddit Averaged

96.84GPT-2 ScoreUncertainty++

Evaluation Results

Method	Links
Uncertainty++2026.06		96.84	97.4	96.63	89.32	89.04	97.68	95.41	94.56	92.82	89.26	95.01	84.93	93.24
Lastde++2026.06		94.7	95.47	93.97	85.26	85.65	98.93	93.49	92.23	89.6	87.59	92.88	88.28	91.51
Uncertainty2026.06		92.56	93.57	91.89	82.06	83.76	98.43	90.54	88.92	86.62	83.37	91.34	81.78	88.74
Lastde2026.06		89.78	90.1	90.04	80.43	80.22	99.6	89.7	89.27	84.59	79.55	88.57	75.98	86.49
Fast-DetectGPT2026.06		89.51	88.76	86.52	77.59	77.6	99.31	86.14	84.55	81.41	81.46	86.68	88.19	85.64
DetectLRR2026.06		78.22	79.21	81.21	78.44	78.8	96.62	80.23	79.49	79.89	73.58	83.82	73.86	80.28
LogRank2026.06		70.21	71.2	72.34	70.27	72.67	99.68	73.02	67.47	71.69	72.21	78.02	79.24	74.83
DetectNPR2026.06		68.07	68.41	73.06	67.83	70.6	96.75	75.13	63	70.42	65.72	74.08	79.94	72.75
DetectGPT2026.06		67.56	69.28	72.03	66.12	67.96	82.9	73.89	61.83	68.69	66.55	72.76	81.73	70.94
Likelihood2026.06		66.02	67.09	67.4	65.74	68.61	99.57	68.81	61.81	67.42	69.9	73.93	79.7	71.33
DNA-GPT2026.06		64.15	62.63	63.64	60.77	66.71	99.47	65.75	62.01	65.08	62.59	72.02	70.75	67.97