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Freemium

GPTZero

GPTZero AI content detector. Website screenshot.

Content Detectors

Multilingual

API

★★★★★
Price Level:
$$$

GPTZero is a well-known and capable AI content detector that can identify text generated by most AI models.

Key Features:

  • Trained using a big, varied collection of texts written by both humans and AI.
  • Highlights AI-written sentences.
  • Teacher dashboard for batch scanning and detailed reports.
  • Plagiarism and AI copyright infringement detection.
  • Integrations: Chrome extension, Google Docs, Word plugin, API.
  • Strong data privacy and security standards.
  • Multilingual, supporting 10+ major languages.

Limitations and Considerations:

  • Decreased accuracy for shorter texts.
  • Best accuracy on English prose.

The free version of GPTZero is limited to 10,000 words per month and a maximum of 7 scans per hour.

GPTZero is designed for educators, students, writers, recruiters, cybersecurity professionals, and ML engineers.

However, considering its versatility, it can be used by almost anyone.

GPTZero analyzes text using a 7-component AI detection model. It processes input through an Education Module, Internet Text Search, GPTZero Shield, Burstiness analysis, GPTZeroX sentence classification, Perplexity checks, and Deep Learning.

These components examine various text aspects, from overall structure to individual sentences, comparing against human and AI writing patterns.

Read more about the technology behind GPTZero.

How accurate is GPTZero's AI detector?

Overall score:
5 out of 5 stars (★★★★★).
Our testing showed it is very accurate.
The tool gives a numerical result (score): Yes.
It detected our:
● Human written text as
82% human
(★★★★☆).
● Humanized AI text as
100% AI
(★★★★★).
● Fully AI-generated text as
100% AI
(★★★★★).
Disclaimer: We only test texts written in English. Results may vary.

FAQ

We've tested over 150 AI detectors and have a solid grasp of the market. Using our custom methodology, we ensure all tools are compared fairly. Our testing is unbiased, praising only those we believe in.

The tools on this website are tested using a specific testing method for each category. This ensures they are evaluated fairly and in a way most people would use them.

AI detectors may seem similar at first glance, but they come with different features and are intended for various use cases. Choose a tool that best suits your specific needs for the most accurate results. 

Paid tools are usually more accurate and better for advanced users needing integration and bulk detection. 

Free tools can be hit-or-miss, with usage limits and varying accuracy. 

Therefore, we suggest you check out all of our AI detectors to find the best option for you.

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