GPTZero: AI writing for teachers, editors, and students
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GPTZero helps you write and edit text by starting with an AI writing detector with a free monthly word cap and paid plans for heavier scanning. It is best for teachers, editors, and students who want a first AI-writing check without a subscription. People also use it to find answers you can check. A free plan is available.
What it does
GPTZero is an AI detector with a Chrome extension and team plans. Free is capped at 10,000 words a month. Premium raises that to 300,000 words and adds multilingual detection. Professional is $24.99 a month billed annually with a higher cap and batch uploads. Team seats use the professional allowance per member. The page says annual billing saves 45 percent.
Editorial note
GPTZero scans writing for AI-generated text. Free covers 10,000 words a month. Premium is $12.99 a month billed annually.
Who it’s for
Teachers, editors, and students who want a first AI-writing check without a subscription.
Key use cases
- Write & chat
- Research & answers
What you can do with it
An AI writing detector with a free monthly word cap and paid plans for heavier scanning.
How to use GPTZero: step-by-step tutorial
Five to eight steps from the account to a first useful result. Where the official guide names a control, the step uses that name. Where it does not, the step stays general.
- Open gptzero.me and create an account on the free plan. You can reach a first result before you choose a paid plan.
- Open gptzero.me and start on the free plan. It lists 10,000 words a month at $0.
- Paste or upload a document you are allowed to check.
- Read the result as a signal, not a verdict, and review the passages yourself.
- Stop when you approach the free word cap.
- Compare Premium at $12.99 a month billed annually if you need the larger monthly allowance.
These steps follow official guides: GPTZero pricing; GPTZero homepage. Checked November 11, 2026.
Example inputs
Adapt these. They are examples of what to ask for, not a button name, unless the steps above already use that name.
A first request: an AI writing detector with a free monthly word cap and paid plans for heavier scanning. Keep it short enough to review in one pass.Name the audience, the format you need, and one fact that must stay accurate.Frequently asked questions
Is GPTZero free?
Yes. Free is $0 with 10,000 words a month, checked November 11, 2026.
How much does GPTZero cost?
Premium is $12.99 a month billed annually. Professional is $24.99 a month billed annually. Annual billing is described as saving 45 percent.
What is the free word limit?
10,000 words a month, plus one free advanced scan.
Who is GPTZero for?
People who need to scan writing for signs it was generated, especially in schools and editorial work.
Pricing
Prices checked on the official pricing page.
- Free
-
$0
10,000 words a month, basic AI scan, 1 free advanced scan, and 5 free AI highlights in the Chrome extension.
- Premium
-
$12.99/month billed annually
300,000 words a month, advanced AI scan, multilingual detection, and downloadable AI reports.
- Professional
-
$24.99/month billed annually
500,000 words a month, overage up to 2 million words, batch file scans, and the Premium features.
Facts
- Access
- Ongoing free plan
- Paid plans from
- $0
- Checked
- Category
- Category: Writing and content tools (41 in the library).
- On the record
- GPTZero’s pricing page lists Free at $0 with 10,000 words a month, a basic AI scan, and one free advanced scan.