# GPT Zero

> GPTZero AI Detector scans text for ChatGPT, Claude and Gemini with sentence\-level highlights\. Free, no signup, 15,000 chars — run the GPTZero detector AI now\.

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## Pages
- [GPTZero vs Copyleaks](https://gptzero.cn.com/gptzero-vs-copyleaks/)
- [AI Glossary](https://gptzero.cn.com/ai-glossary/)
- [Home](https://gptzero.cn.com/)
- [Terms of Service](https://gptzero.cn.com/terms-of-service/)
- [Privacy Policy](https://gptzero.cn.com/privacy-policy/)

## Optional
- [Sitemap index](https://gptzero.cn.com/sitemap_index.xml)