ResearchBenchmarksLLM-Generated Text Detection on HART (group-aware split)LLM-Generated Text Detection on HART (group-aware split)Follow98.39AUROCRoBERTa96.51897.00497.4997.976Apr 6, 2026Evaluation resultsMethodMethodLinksAUROCTPR @ 1% FPR (Human-Written)TPR @ 1% FPR (LLM-Polished)TPR @ 1% FPR (LLM-Generated)TPR @ 1% FPR (Humanized)TPR @ 1% FPR (Avg)RoBERTa2026.0498.3999.7272.6370.1871.6978.55CoCo2026.0497.5199.3377.4844.036571.46LF-Motifs2026.0497.1394.9539.1955.7461.4562.83RACE2026.0496.5999.1386.2575.26781.9