Detect AI-written content with confidence.
GPTZero provides transparent and accurate AI detection for text across multiple models, empowering educators, publishers, and enterprises to verify authenticity with confidence.
Human-like: Rich, natural sentence flow and unique tone.
Mixed: Some repetition and pattern consistency typical of AI.
Likely AI: Uniform structure and mechanical phrasing detected.
GPTZero Features
Multi-model AI detection
Detects writing from models like ChatGPT, Gemini, Claude, Llama, and more, with paragraph and sentence-level accuracy.
Advanced AI Scan
Color-coded highlights and confidence levels for every sentence, giving users transparency into AI probability.
Plagiarism & Citation Check
Cross-reference text against the web and academic databases to detect potential plagiarism or reuse.
Authorship Verification
Analyze writing history, burstiness, and document drafts to verify authentic human writing patterns.
AI Vocabulary Analysis
Highlights words and structures typical of AI-generated text for linguistic transparency.
Batch Processing
Upload multiple files simultaneously, with centralized dashboards for educators and institutions.
Who uses GPTZero?
GPTZero is used by educators, publishers, and businesses to verify writing authenticity.
Education
Check essays, assignments, and research papers for AI-generated content.
Publishing
Ensure articles and editorials meet authenticity and originality standards.
Corporate & HR
Review employee submissions and professional reports for originality.
Integrations
Connect GPTZero with Google Docs, Chrome, or APIs for seamless workflow integration.
- • Chrome Extension for quick content scanning.
- • API integration for developers and enterprises.
- • LMS support for schools and universities.
Pricing Overview
GPTZero offers both free and paid plans depending on your usage and word limits. The prices below are indicative; always confirm on the official GPTZero pricing page.
Free
Basic AI detection tools for individuals testing GPTZero.
Includes a limited number of checks per month.
Essential
Entry-level paid plan with higher limits.
Up to ~150,000 words/month and Chrome Extension access.
Premium
More capacity and extra analysis tools.
Up to ~300,000 words/month, plus plagiarism detection and detailed reports.
Professional
For enterprises, schools, and organizations.
Around 500,000+ words/month with higher limits and team features.
*Pricing is approximate and may change. For exact current pricing and tiers, visit the official GPTZero website.
FAQ
Is GPTZero 100% accurate?
No AI detector is perfect; GPTZero provides probability-based results.
Does GPTZero support multiple languages?
It primarily supports English, with improving results for other languages.
Who should use GPTZero?
Educators, publishers, HR teams, and content reviewers benefit most from GPTZero.
How can I access the API?
Developers can integrate GPTZero via its API from the official site.
FAQ
Is GPTZero 100% accurate?
No AI detector is perfect; GPTZero provides probability-based results.
Does GPTZero support multiple languages?
It primarily supports English, with improving results for other languages.
Who should use GPTZero?
Educators, publishers, HR teams, and content reviewers benefit most from GPTZero.
How can I access the API?
Developers can integrate GPTZero via its API from the official site.