GPTZero lets you start for free (scans over 10,000 characters need a free account) and sells paid plans; its Professional Team plan includes 500,000 words per member per month. Check GPTZero's pricing page for current prices.
The PowerfulAI.tools Editorial Team checked this against GPTZero's official website in October 2026. Prices and plans change, so confirm on the official site before you pay. See how we review tools.
Teachers, universities and editors who need to check essays and articles for AI-written or copied passages.
These AI Detection tools are listed on PowerfulAI.tools as free or freemium (free to start). Check each official site for the current limits.
Writers, students, content teams and professionals who want to check and improve how their writing reads.
Journalists, moderators and digital artists who need a quick first check on whether an image was made by AI.
Journalists, educators and content moderators who need a quick check on whether an image was made with AI.
Editors and writers who want a rough check on which passages of a draft read as repetitive or formulaic.
Students, editors and content managers who want a quick, free read on whether a passage looks machine-written.
GPTZero features, pricing and FAQs · Best GPTZero alternatives
