GPTZero helps people assess writing authenticity by combining AI-text detection with plagiarism checks and writing-process replays that make human authorship visible.

Products & media

AI Detector

Identifies likely AI-generated passages in submitted text and documents, with sentence highlights and document-level results.

Plagiarism Checker

Compares submitted writing with existing sources, highlights matching passages, and returns similarity reports with links to originals.

Grammar Checker

Reviews grammar, clarity, and argument structure, offering sentence-specific suggestions that writers can accept or reject.

Hallucination Detector

Checks bibliographies for fabricated citations, flags poorly supported claims, and suggests academic sources for further verification.

Expert Feedback

Applies expert-trained rubrics to writing, providing field-specific scores, inline annotations, and recommendations across professional and academic formats.

GPTZero for Chrome

Brings detection and writing feedback into Google Docs and webpages, with document replay and typing analysis to review authorship.

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2 people across company lists

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