What is GPTZero?
Flags AI-written text sentence by sentence, with a plagiarism check and a writing replay for Google Docs.
Who is GPTZero best for?
GPTZero is best for teachers and students who need to check essays and papers for AI-written text.
Teachers checking essays for AI-written passages
Students proving a draft is their own work
Writers and editors checking copy before it goes out
How much does GPTZero cost?
GPTZero's Free plan checks 10,000 words a month at no cost, and paid plans start at $23.99 a month for Premium, or $12.99 a month billed yearly.
- 10,000 words a month, 10,000 characters a scan
- Basic AI scan plus one Advanced Scan
- Up to 3 files per upload
- 300,000 words a month, 50,000 characters a scan
- Advanced Scan, detection in other languages and downloadable reports
- Plagiarism checker and writing feedback
- 500,000 words a month, plus up to 2 million words of overage
- 250 files at once and page-by-page scanning
- Canvas and Google Classroom integration
Paying yearly takes about 45% off: Premium is $12.99 and Professional $24.99 a month, billed annually. A Professional Team plan gives each of 2 or more seats the Professional plan with shared credits and one bill. The detection API is sold separately, from $45 a month for 300,000 words, with extra words at $150 per million. Full pricing on gptzero.me. We checked these prices on .
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What are the best GPTZero alternatives?
Three tools on Recaply do GPTZero's job.
Articles about GPTZero
One of our articles covers GPTZero, with every price checked on the makers' own pages.
Questions about GPTZero
What is GPTZero?
Flags AI-written text sentence by sentence, with a plagiarism check and a writing replay for Google Docs.
Who is GPTZero for?
GPTZero is best for teachers and students who need to check essays and papers for AI-written text.
Is GPTZero free?
Yes. GPTZero has a free plan: 10,000 words a month, 10,000 characters a scan.
How much does GPTZero cost?
GPTZero's paid plans are Premium at $23.99 per month and Professional at $45.99 per month.
What are the best GPTZero alternatives?
The closest alternatives on Recaply are Copyleaks, Winston AI and Turnitin.
Where can I try GPTZero?
On its official website, gptzero.me.
Does GPTZero check for plagiarism?
Yes, on the paid plans. GPTZero's Premium and Professional plans add a plagiarism checker next to the AI scan, along with writing feedback and source finding. The Free plan covers AI detection only, up to 10,000 words a month.
How accurate is GPTZero?
GPTZero says its detector is 99.9% accurate, and its multilingual tests report false positive rates under 0.5% in the languages it covers. Both figures come from GPTZero's own benchmarks rather than an independent test.
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