GPTZero
AI content detection tool for ChatGPT and Gemini.
Pricing: free — Basic features are free; upgrades available. · Visit website
GPTZero is a free AI detector that checks text for AI-generated content from models like ChatGPT, GPT-5, and Gemini. It provides an overall AI score and sentence-by-sentence analysis to ensure human authenticity in writing.
Pros
- Free to use
- High accuracy (99%)
- Supports multiple AI models
Cons
- Limited features without upgrade
- No mobile app available
- Privacy concerns with data collection
FAQ
Is GPTZero free?
Yes, it's a free tool for basic use.
Does it work on all AI models?
It supports ChatGPT, GPT-5, Claude, and Gemini.
Can I use it on my website?
Yes, you can integrate it into Google Docs or your site.
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Last updated: 2026-09-17