Teachers and editors get a free AI-text check up to 15,000 characters, but paid prices were not shown and tests report false positives.
Kenning's take
What it does
A website that estimates whether a piece of text was written by AI. Users paste text or upload a file, and it highlights the sentences it thinks are AI-written with an overall percentage. The same site also offers a humaniser, plagiarism checker, paraphraser, summariser, grammar checker and translator.
- AI text detection with highlighted sentences and a percentage score
- file upload as well as pasted text (up to 15,000 characters on the free checker)
- AI image and video detectors
- plagiarism checker
- paraphraser, summariser, grammar checker and translator
- API for businesses
Who it suits. Teachers, editors and students who want a quick free check on whether text may be AI-written, bearing in mind that independent tests report false positives.
Key facts
- Category
- Study, homework & learning
- Made by
- Olive Works LLC (doing business as ZeroGPT)
- Based in
- United States
- Works on
- Web
- Free plan
- Free plan with no credit card; the free checker accepts up to 15,000 characters
Reviews and write-ups
- Working Educators 2026-08-12
FAQ
Is ZeroGPT free?
Yes, it has a free plan that needs no credit card. Paid Personal and Business plans exist, but their prices were not shown in the page text.
Who runs ZeroGPT?
Olive Works LLC, a Wyoming limited liability company that does business as ZeroGPT.
Does ZeroGPT have a phone app?
No app store listing was found; it is used through the zerogpt.com website.
Facts from the maker's own pages and the sources listed. Checked 2026-10-11.
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