About this listing
Product and access model reviewed from current official sources; workflow and example are editorial suggestions, not a hands-on test.
Official sourceAI-writing detector for pasted text or uploads; scans up to 10,000 characters without an account, with premium extras on paid plans.
Best suited to
GPTZero is an AI detection tool from the company GPTZero, founded in January 2023, used by students, teachers and other readers.
GPTZero is an AI detection tool from the company GPTZero, founded in January 2023, used by students, teachers and other readers. You paste text or upload a document, and it highlights phrases that may be AI-generated. It also offers a Hallucination Detector, a plagiarism checker, writing feedback and Writing Replay, which shows a video of the writing process. The site states that results should not be used to punish or as the final verdict.
This example describes a task, not a tested output. Adjust the source material and settings to your own situation.
Check whether my own 800-word essay draft gets flagged as AI-written, so I can discuss any wrong flag with my teacher.
Result check: Do not treat a score as proof; compare it with drafts and version history, and follow your school's policy on AI detectors.
The site shows a Get started for free option. Scans of up to 10,000 characters work without an account, and the FAQ says a free account is needed for texts up to 150,000 characters or batches of up to 250 files. Writing Replay, Advanced Scan, Plagiarism Checker and Writing Feedback are labelled premium. Annual and monthly billing exist, but individual plan prices, student pricing and trial terms are not stated on the pages read.
AI detector that highlights flagged phrases
Paste text or upload documents
Hallucination Detector
Writing Replay video of the writing process (premium)
Plagiarism Checker (premium)
Writing Feedback (premium)
Chrome extension, Google Docs, Canvas and API options
The site shows a Get started for free option. Scans of up to 10,000 characters work without an account, and the FAQ says a free account is needed for texts up to 150,000 characters or batches of up to 250 files. Writing Replay, Advanced Scan, Plagiarism Checker and Writing Feedback are labelled premium. Annual and monthly billing exist, but individual plan prices, student pricing and trial terms are not stated on the pages read.
Plan information can change. Prices and conditions are set by the provider. Information checked 2026-10-25.
Source for access detailsOne email a week with pricing and feature changes in this category. No per-tool price alerts.
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GPTZero is an AI detection tool from the company GPTZero, founded in January 2023, used by students, teachers and other readers. You paste text or upload a document, and it highlights phrases that may be AI-generated. It also offers a Hallucination Detector, a plagiarism checker, writing feedback and Writing Replay, which shows a video of the writing process. The site states that results should not be used to punish or as the final verdict.
The site shows a Get started for free option. Scans of up to 10,000 characters work without an account, and the FAQ says a free account is needed for texts up to 150,000 characters or batches of up to 250 files. Writing Replay, Advanced Scan, Plagiarism Checker and Writing Feedback are labelled premium. Annual and monthly billing exist, but individual plan prices, student pricing and trial terms are not stated on the pages read.
Paste your text or upload a document. Read the highlighted phrases and the document-level result.
Do not treat a score as proof; compare it with drafts and version history, and follow your school's policy on AI detectors.
Tell us what needs improving. No account or private output required.
Report incorrect information or a broken linkDocumentation-based review · 2026-10-25
Reviewed from the linked official pages. The workflow and example are editorial suggestions; no account-level product test or measured performance comparison was performed.
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