LLM-generated text detection on HC3 Gemini-3.1 pro preview generated text
0.813ROC AUCJCASEMCD
Evaluation results
| Method | Links | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| JCASEMCDDetector=JCASEMCD2026.07 | 0.813 | 0.781 | 0.754 | 0.606 | 0.725 | 0.682 | 0.844 | 0.744 | |
| JCELLMCDDetector=JCELLMCD2026.07 | 0.748 | 0.695 | 0.717 | 0.6 | 0.691 | 0.662 | 0.783 | 0.699 | |
| LogRankDetector=LogRank2026.07 | 0.74 | 0.707 | 0.699 | 0.476 | 0.647 | 0.61 | 0.818 | 0.671 | |
| RankDetector=Rank2026.07 | 0.71 | 0.732 | 0.682 | 0.734 | 0.694 | 0.711 | 0.654 | 0.702 | |
| LikelihoodDetector=Likelihood2026.07 | 0.698 | 0.722 | 0.669 | 0.015 | 0.507 | 0.503 | 0.998 | 0.587 | |
| DetectGPT-dDetector=DetectGPT-d2026.07 | 0.518 | 0.666 | 0.667 | 0.001 | 0.501 | 0.5 | 1 | 0.55 | |
| DetectGPT-zDetector=DetectGPT-z2026.07 | 0.506 | 0.653 | 0.667 | 0 | 0.5 | 0.5 | 1 | 0.547 | |
| EntropyDetector=Entropy2026.07 | 0.287 | 0.377 | 0.667 | 0 | 0.5 | 0.5 | 1 | 0.476 | |
| RoBERTa-baseDetector=RoBERTa-base2026.07 | 0.275 | 0.365 | 0.667 | 0.007 | 0.502 | 0.501 | 0.998 | 0.474 | |
| RoBERTa-largeDetector=RoBERTa-large2026.07 | 0.179 | 0.338 | 0.667 | 0 | 0.5 | 0.5 | 1 | 0.455 |