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Grammarly – AI Detector

Grammarly AI Detector. Website screenshot.

Content Detectors

★★★☆☆

Grammarly offers an AI content detector to identify potentially AI-generated text in users' writing.

Who Can Use It:

Grammarly's AI Detector serves students, educators, writers, and professionals, aiming to identify AI-generated content and promote authenticity in writing.

How It Works?

Grammarly's AI Detector analyzes text using a machine learning model, breaking it into sections to check for AI-typical patterns.

It calculates a percentage score of potentially AI-generated content, displays this score, and in some applications, highlights suspect passages with explanations.

Key Features:

  • Detects AI-generated content from various sources, including Grammarly, ChatGPT, Google Gemini, and Claude.
  • It provides a clear score showing what percentage of the input text is written with AI.
  • Integrates with other Grammarly tools.
  • Only one free scan with a generous 2,000-word limit.

Limitations and Considerations:

  • Available for Grammarly Premium, Business, and Education subscribers on various platforms, including Windows, Mac, and the Grammarly Editor.
  • Requires sign-up after one scan.

Overall: ★★★☆☆

The AI detector from Grammarly performed fairly in our testing.

Human written text detection: ★★★★★

It detected our human text as 100% human.

Modified AI-generated text detection: ★★☆☆☆

It detected our modified AI-generated text as 53% AI.

AI-generated text detection: ★★★☆☆

It detected our AI-generated text as 72% AI.

Disclaimer: Results may vary. Always do your own testing.

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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