LAPD, derived from the provable preference discrepancy in aligned LLMs, improves zero-shot AI text detection by 45.82% over baselines with claimed statistical dominance over Fast-DetectGPT.
However, this may not hold in real-world scenarios since human-written text tends to exhibit higher variance due to lexical and semantic diversity
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Alignment Imprint: Zero-Shot AI-Generated Text Detection via Provable Preference Discrepancy
LAPD, derived from the provable preference discrepancy in aligned LLMs, improves zero-shot AI text detection by 45.82% over baselines with claimed statistical dominance over Fast-DetectGPT.