AI detector with sentence-level analysis that identifies content from ChatGPT, GPT-5, and Gemini.
What is GPTZero?#
GPTZero is a leading AI content detector used by over 17 million users and 1 million educators to identify AI-generated text with sentence-level precision.
What can GPTZero do?#
- 01
AI content detector
Detects content generated by ChatGPT, GPT-5, Gemini, Claude, Llama and more.
- 02
Independent accuracy benchmark
99% overall accuracy validated by Penn State AI Research Lab.
- 03
Writing feedback tools
Provides AI-powered writing feedback alongside detection.
- 04
Plagiarism detection
Checks content against external sources for plagiarism.
- 05
Video replay verification
Uses video replay and human verification to confirm authored writing.
- 06
Classroom integrations
Built-in integrations with Canvas and Google Classroom.
- 07
Multilingual coverage
Supports English, German, Portuguese, French and Spanish detection.
Use Cases#
- teachers — Flag likely AI-generated student submissions before grading essays.
- educators — Verify authored writing with video replay evidence inside Canvas.
- recruiters — Check whether applicant writing samples were generated by AI tools.
- publishers — Screen submitted manuscripts for AI-generated passages before accepting them.
- copywriters — Check outsourced drafts for AI content to keep deliverables original.
Quick facts about GPTZero#
- Domain Rating
Frequently Asked Questions#
GPTZero Traffic Analysis
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