GPTZero is the first and leading AI detector that allows you to identify specific content in a document or text that has been generated by a large language model (LLM), such as ChatGPT.

GPTZero is the first and leading AI detector that allows you to identify specific content in a document or text that has been generated by a large language model (LLM), such as ChatGPT.

GPTZero is the #1 AI Detector for Students. Check AI-written text, improve essays, and get plagiarism checks with free and advanced student plans.

GPTZero is the first and leading AI detector that allows you to identify specific content in a document or text that has been generated by a large language model (LLM), such as ChatGPT.

Detect AI-generated text with GPTZero's dashboard

Free AI detector for writers. Identify AI-written content, get actionable edits, and prove originality with GPTZero's free AI writer checker.

GPTZero is the first and leading AI detector that allows you to identify specific content in a document or text that has been generated by a large language model (LLM), such as ChatGPT.

GPTZero offers the most accurate online Plagiarism Checker, powered by AI. Detect copied text and plagiarised sources with precision. Try it for free.

Use GPTZero’s AI detector for teachers to preserve academic integrity, elevate classwork, and streamline grading, identify AI-generated text and check for plagiarism.

GPTZero tells you where AI is used at document, sentence, and word level. Our model was trained on a large, diverse corpus of human-written and AI-generated text, with support for …