GPTZero Review (2025): Free AI Detector for Students & Accuracy
Welcome to this GPTZero review, where we’ll explore how accurate this AI detector really is and how students can use it for assignments.
What is GPTZero?
AI detector for students, GPTZero, is one of the leading AI detection tools, designed to identify whether a piece of text was written by a human or generated by AI (including ChatGPT, GPT-5, and Gemini) with over 99% accuracy. This makes it an essential tool for students who want to ensure their essays, assignments, and research papers are original, trustworthy, and citation-friendly.
In addition to AI detection, GPTZero also provides writing feedback, plagiarism checks, vocabulary analysis, and citation support, helping students improve their academic work beyond just AI tracking.
Key Features of GPTZero
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AI Detection with 99% accuracy – Detects AI-generated text across ChatGPT, GPT-5, Gemini, and more.
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Supports multiple file types – Upload .pdf, .doc, .docx, .txt, .jpg, .jpeg, .png, .gif, and .webp for analysis.
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Free plan for students – Up to 10,000 words per month with 5 advanced scans included.
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Grammar and vocabulary checks – Improve the clarity and style of your assignments.
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Plagiarism check and citation generator – Make sure your essays are original and properly referenced.
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Writing feedback – Get tips to refine essays, research papers, and class reports.
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Team and enterprise features – Collaboration, LMS integration, and advanced security for universities.
Is GPTZero free? Pricing Plans
| Plan | Price | Words per Month | Key Features |
|---|---|---|---|
| Free | $0 / month | 10,000 words | Basic AI scan, 5 advanced scans |
| Essential | $8.33 / month (billed annually) | 150,000 words | AI & grammar check, vocabulary check, Chrome extension |
| Premium (Most Popular) | $12.99 / month (billed annually) | 300,000 words | Advanced scan, plagiarism check, writing feedback, citations |
| Professional | $24.99 / month (billed annually) | 500,000 words | Up to 10M words, 250 files at once, LMS integration, team collaboration |
Best For
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Students – Double-check essays for AI writing before submission.
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Teachers & professors – Detect AI-generated student work with confidence.
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Academic institutions – Integrate with LMS for class-wide plagiarism and AI detection.
Pros & Cons
Pros
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Free plan covers 10,000 words/month (enough for most students).
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99% accuracy in AI detection, including the latest models such as GPT-5.
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Accepts multiple file formats for flexible use.
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Extra features like plagiarism check and writing feedback.
Cons
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Free plan is limited to 5 advanced scans.
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Premium features like plagiarism and citation checks are behind a paywall.
FAQs
Is GPTZero free for students?
Yes, GPTZero offers a free plan with up to 10,000 words per month and 5 advanced scans — ideal for most student needs.
Can GPTZero detect text from ChatGPT or GPT-5?
Absolutely. GPTZero is built to detect AI writing from ChatGPT, GPT-5, Gemini, and other top AI models with 99% accuracy.
Does GPTZero only detect AI?
No. It also provides plagiarism checks, grammar analysis, vocabulary suggestions, and citation tools to improve your writing.