GPTZero is the industry-leading AI content detection platform that identifies whether text was written by AI models including ChatGPT, Claude, Gemini, and others using a proprietary seven-layer detection model.
Built on perplexity and burstiness analysis, GPTZero offers best-in-class accuracy backed by independent benchmarking. The platform serves educators, publishers, and organizations with tools ranging from a Chrome extension to batch file uploads and LMS integrations for Canvas and Google Classroom.
GPTZero also provides a developer API with ready-to-use code in 17 programming languages, making it easy to integrate AI detection into any platform or workflow.
Pricing Plans:
- Free: $0 – 10,000 words/month, 3 advanced scans, Chrome extension with 5 AI highlights
- Premium: $12.99/month (billed annually) – 300,000 words/month, batch file uploads, full Chrome extension access
- Professional: $24.99/month (billed annually) – 500,000 words/month, up to 10M words overage, enterprise-grade security, LMS integration
- Enterprise/Team: Contact sales – shared team credits, unified billing, custom LMS integration