GPTZero
Last Updated on: Jan 1, 2026
GPTZero
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What is GPTZero?
GPTZero is a leading AI detection tool designed to identify text generated by large language models like ChatGPT, GPT-4, Gemini, and others. Founded in 2023, it has become the most accurate commercial AI detector, trusted by millions and widely used in education, publishing, recruiting, and business. GPTZero analyzes text based on multiple factors, including predictability, sentence variety, and style uniqueness, to determine the likelihood of AI authorship. It highlights AI-generated phrases and supports multiple languages, helping educators and others maintain authenticity and responsible AI usage.
Who can use GPTZero & how?
  • Educators & Institutions: Monitor academic integrity and guide responsible AI use.
  • Publishers & Writers: Verify originality and avoid AI-generated content misconduct.
  • Recruiters & HR: Detect AI in candidate submissions for fair evaluation.
  • Marketers & Content Creators: Ensure authenticity in brand messaging and copy.
  • Students & Professionals: Get feedback to build honest and original writing skills.

How to Use GPTZero?
  • Paste Text or Upload Documents: Submit your content for AI detection.
  • View Detailed Results: See percentage likelihood of AI content with highlighted phrases.
  • Use Chrome Extension: Get real-time AI detection on web pages and Google Docs.
  • Integrate with LMS: Connect GPTZero with Canvas, Moodle, and Google Classroom.
What's so unique or special about GPTZero?
  • Highest Accuracy: Independent tests show GPTZero’s 99% accuracy rate.
  • Multi-Model Detection: Supports GPT, Gemini, Claude, LLaMa, and more.
  • Sentence-Level Highlighting: Pinpoints exact AI-generated text.
  • Debiased for ESL: Minimizes false positives for non-native English writers.
  • Comprehensive Reporting: Provides transparency and explanations with each scan.
Things We Like
  • Exceptional detection accuracy with minimal false positives.
  • Real-time detection via browser extension and document uploads.
  • Supports multiple popular AI models and languages.
  • Clear, sentence-level AI content highlighting for transparency.
Things We Don't Like
  • May require longer text for most reliable results.
  • No absolute certainty; best used as a guide, not final judgment.
  • Primarily focused on text detection, limited to written content.
  • Advanced features may require subscription or registration.
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Pricing
Freemium

Free

$ 0.00

10,000 words per month
Basic AI Scan
5 Free Advanced Scans

Essential

$ 8.33

Basic AI Scan
Up to 150,000 words per month
Premium AI detection models
Plagiarism scanning
Advanced Grammar and Writing feedback

Premium

$ 12.99

Everything in GPTZero Essential
Up to 300,000 words per month
Advanced AI Deep Scan
Multilingual AI detection
Download AI reports

Professional

$ 24.99

All of Premium
Up to 10 million words overage
Scan up to 250 files at once
Page by page scanning
Enterprise grade security LMS Integration
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Popular Mention

FAQs

GPTZero is a top AI content detection tool that identifies text generated by major AI language models with high accuracy.
It achieves a 99% accuracy rate, validated by independent benchmarks and large-scale testing.
Yes, it detects text from ChatGPT, GPT-4, Gemini, Claude, LLaMa, and others reliably.
Yes, there is a Chrome extension that provides AI detection on web pages and Google Docs.
It supports English, German, Spanish, French, Portuguese, and is widely used in over 100 countries.

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Editorial Note

This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.

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