1. GPTZero - 70% probability to contain AI generated text or higher 2. Copyleaks AI Content Detector - 70% probability for AI or higher 3. Sapling AI Detector - 70% Fake or higher 4. Quillbot - 70% of text is likely to come from AI or higher 5. Zerogpt - 70% likely to include parts generated by AI/GPT or higher 6. StealthWriter - 70% AI probability or higher 7. Originality.ai - 70% confident that text is AI generated or higher