GPTZero

AI content checker for ChatGPT and Gemini.

Content Analysis AI Detection Writing Quality

Pricing: freemium — Free with limited features · Visit website

GPTZero is an AI detector that checks text for AI-generated content from models like ChatGPT, GPT-5, and Gemini. It provides overall AI scores and sentence-by-sentence analysis to ensure human-like writing quality. Ideal for educators, writers, and content creators.

Pros

High accuracy (99%)
Free version available
Supports multiple AI models

Cons

Limited free features
No mobile app
Requires internet connection

FAQ

Is GPTZero free?

Yes, it offers a free version with limited features.

Can I use GPTZero offline?

No, it requires an internet connection to function.

Does it work for all AI models?

Yes, it supports ChatGPT, Gemini, and other major AI models.

Last updated: 2026-06-21