AI content detection
Copyleaks
Detects whether a text was generated by AI and checks for plagiarism, with an integration API.
Free version, then paid·from $13/month
AI content detection
The best AI content detectors
Estimate whether a text, image, or voice was produced by AI. None of these tools are 100% reliable: their verdict is a clue, never proof.
Get a review of your tools7 tools listed in this category · back to the full ranking
AI content detection
GPTZero
Estimates the probability that a text was written by an AI. A clue, never proof.
Price not verified
AI content detection · SEO
Originality.ai
AI-content and plagiarism detection, built for those who publish at volume.
Price not verified
AI content detection
Sapling AI Detector
AI-generated text detector integrated into a suite of language tools for support and sales teams.
Free version, then paid
Humanizing AI text · AI content detection
Undetectable AI
Rewrites AI-generated text so it reads naturally, and evaluates it with its own detectors.
Price not verified
AI content detection
Winston AI
Detects AI-generated text and plagiarism, with a detailed sentence-by-sentence report.
Price not verified
AI content detection
ZeroGPT
Checks online whether a text was likely written by AI.
Free version, then paid
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