# GPTZero

Free tier plus dedicated Chrome extension and AI Vision (image/document) detection. GPTZero is freemium — a usable free tier with paid plans above it, at gptzero.me.

## Facts

- **Pricing tier:** Free tier + paid
- **Works on:** Web, Chrome Extension, API
- **Works in browser:** Yes

## Capabilities

- Free tier plus dedicated Chrome extension and AI Vision (image/document) detection
- Hallucination detector distinct from pure AI-text detection
- Used by 10M+ teachers/students per vendor, education-market leader

## FAQ

### What is GPTZero?

GPTZero is listed under AI Content Detection & Humanizers, in the Content & Media Generation category on Flocci AI Tools. Free tier plus dedicated Chrome extension and AI Vision (image/document) detection. It is freemium — a usable free tier with paid plans above it, and it lives at gptzero.me.

### Is GPTZero free?

GPTZero is freemium: there is a free tier you can work in and paid plans above it. It is one of 426 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

### Can I use GPTZero in a browser, or is there an app?

GPTZero works in a normal browser tab with no install. It is available on the web, a Chrome extension and an API.

### What can GPTZero do?

GPTZero does 3 things the catalog singles out: Free tier plus dedicated chrome extension and ai vision (image/document) detection; hallucination detector distinct from pure ai-text detection; used by 10m+ teachers/students per vendor, education-market leader.

### What is the best free alternative to GPTZero?

Sapling AI Detector is the closest free alternative: it sits in the same AI Content Detection & Humanizers sub-category and is free. Copyleaks AI Detector and Pangram AI Detector also start free. The full list is on the alternatives page.

## Related

- [GPTZero alternatives](https://aitools.flocci.in/alternatives/gptzero)
- [AI Content Detection & Humanizers](https://aitools.flocci.in/category/content-media-generation/ai-content-detection-humanizers)
- [Best free AI content detectors and humanizers](https://aitools.flocci.in/best/best-ai-content-detection-humanizers)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/gptzero

Facts last verified: October 2026