AI Detector Reviews

Every review separates our tests, named public studies, and vendor claims.

• GPTZero — Education-first detector with a real free tier
• Originality.ai — AI + plagiarism scanning for editorial teams
• Turnitin — The institutional incumbent
• Copyleaks — Multi-language detection with LMS integration
• Winston AI — OCR-first detector for scanned documents
• ZeroGPT — Zero-friction free paste-and-check
• QuillBot — Free detector inside a writing suite
• Sapling — API-first detection priced per character