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HC3

Benchmarks

Task NameDataset NameSOTA ResultTrend
AIGT detectionHC3 PWWS attack, AI to Human (in-domain)
Overall Accuracy100
28
AI Text DetectionHC3 AI-Prob
Finance Accuracy84.1
24
AI-generated text detectionHC3 (test)
F1 (Overall)99.93
18
AIGT detectionHC3 Pruthi attack Overall (in-domain)
Overall Accuracy100
14
AIGT detectionHC3 Pruthi attack Human to AI (in-domain)
OA1
14
AIGT detectionHC3 Pruthi attack AI to Human (in-domain)
Overall Accuracy100
14
AIGT detectionHC3 Deep-Word-Bug attack Overall (in-domain)
OA100
14
AIGT detectionHC3 Deep-Word-Bug attack Human to AI (in-domain)
Overall Accuracy100
14
AIGT detectionHC3 Deep-Word-Bug attack AI to Human (in-domain)
Overall Accuracy100
14
AIGT detectionHC3 PWWS attack, Human to AI (in-domain)
OA100
14
Machine-Generated Text DetectionHC3 COLING2025 (val)
AUC99.99
13
LLM-generated text detectionHC3 Gemini-3.1 pro preview generated text
ROC AUC0.813
10
LLM-generated text detectionHC3 Gemini-3 flash preview generated text
ROC AUC85.3
10
LLM-generated text detectionHC3 Gemini-3.1 flash-lite preview generated text
ROC AUC0.86
10
LLM-generated text detectionHC3 GPT-5.4 mini generated text
ROC AUC0.967
10
LLM-generated text detectionHC3 GPT-5.4 generated text
ROC AUC0.974
10
AI-text detectionHC3
AUROC100
10
Machine-Generated Text DetectionHC3 (full)
Accuracy99.92
9
LLM-Generated Text DetectionHC3 Plus (test)
AUROC0.9845
5
LLM-Generated Text DetectionHC3 (test)
AUROC0.9947
5
AI-generated text detectionHC3 cross-benchmark transfer
AUROC (Finance)99.8
3
LLM-generated text detectionHC3 Chi-Psy
TPR @ FPR=1%90
3
Machine-generated text detectionHC3 Cross-domain
Score (Medicine)80.48
3
AI-Text DetectionHC3 PLUS (test_si)
Balanced Accuracy (BA)87.21
2
AI-Text DetectionHC3 PLUS QA (test)
Balanced Accuracy99.47
2
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