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LLM-generated text detection research benchmarks – Page 2 · SOTA2 Research

LLM-generated text detection

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

77.06AUC-ROC (Solar)

12

Feb 26, 2026

97.57AUC-ROC (Solar)

12

Feb 26, 2026

HC3 Gemini-3.1 pro preview generated text

0.813ROC AUC

10

Jul 9, 2026

HC3 Gemini-3 flash preview generated text

85.3ROC AUC

10

Jul 9, 2026

HC3 Gemini-3.1 flash-lite preview generated text

0.86ROC AUC

10

Jul 9, 2026

HC3 GPT-5.4 mini generated text

0.967ROC AUC

10

Jul 9, 2026

HC3 GPT-5.4 generated text

0.974ROC AUC

10

Jul 9, 2026

MELD Overall (eval)

99.9TPR @ 1% FPR

10

May 11, 2026

MELD Qwen-3.6-Plus (eval)

99.9TPR @ 1% FPR

10

May 11, 2026

MELD-eval Claude-Haiku-4.5

100TPR @ 1% FPR

10

May 11, 2026

MELD-eval Gemini-3-Flash

99.7TPR@1%FPR

10

May 11, 2026

MELD GPT-5.4-Mini (eval)

100TPR @ 1% FPR

10

May 11, 2026

Fast-DetectGPT WP-s (Claude3 Opus) 1.0 (test)

99.5AUPR

9

Feb 26, 2026

Fast-DetectGPT XSum Claude3 Opus 1.0 (test)

99.9AUPR

9

Feb 26, 2026

Fast-DetectGPT PubMed (Claude3 Opus) 1.0 (test)

96.7AUPR

9

Feb 26, 2026

Fast-DetectGPT WP-s GPT4 Turbo 1.0 (test)

99.8AUPR

9

Feb 26, 2026

Fast-DetectGPT XSum GPT4 Turbo 1.0 (test)

100AUPR

9

Feb 26, 2026

Fast-DetectGPT PubMed GPT4 Turbo 1.0 (test)

97.4AUPR

9

Feb 26, 2026

Fast-DetectGPT WP-s (GPT4) 1.0 (test)

98.7AUPR

9

Feb 26, 2026

Fast-DetectGPT XSum (GPT4) 1.0 (test)

98.7AUPR

9

Feb 26, 2026

Fast-DetectGPT PubMed (GPT4) 1.0 (test)

96.7AUPR

9

Feb 26, 2026

Fast-DetectGPT WP-s GPT3.5 Turbo 1.0 (test)

99.8AUPR

9

Feb 26, 2026

Fast-DetectGPT XSum (GPT3.5 Turbo) 1.0 (test)

99.9AUPR

9

Feb 26, 2026

Fast-DetectGPT PubMed (GPT3.5 Turbo) 1.0 (test)

96.9AUPR

9

Feb 26, 2026

Fast-DetectGPT Claude3 Sonnet, WP-s

99.7AUROC

9

Feb 26, 2026

Page 2 of 5

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