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ease
features
design
support

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Write a Review

Description

GLTR is designed to utilize the same models that generate counterfeit text as a means for detection. It incorporates the GPT-2 117M language model from OpenAI, which stands out as one of the most substantial models accessible to the public. By taking any given textual input, GLTR evaluates the predictions made by GPT-2 at each position in the text. The output showcases a ranking of all words recognized by the model, allowing us to determine how the actual following word ranks in comparison. Utilizing this positional data, a color-coded mask is applied to the text, reflecting the ranking position of each word. Words that rank among the most probable are shaded in green (for the top 10), yellow (for the top 100), red (for the top 1,000), while the remaining words appear in purple. Consequently, this method provides a clear visual representation of how probable each word is according to the model's predictions, ultimately enhancing our ability to identify potentially fake text. Additionally, this visual tool can help users quickly gauge the authenticity of a given passage.

Description

GPTZero is an advanced AI content detection solution designed to protect authentic, human writing. It delivers high-accuracy classification of AI-generated, AI-edited, and mixed-authorship text across major language models. Users can scan pasted text or uploaded files and receive detailed results that explain AI likelihood and writing quality. The platform includes unique features such as writing replays, which visually verify how a document was written. GPTZero integrates seamlessly with tools like Google Docs, Canvas, and Google Classroom, making it ideal for educators. Its Advanced Scan technology is backed by independent research demonstrating best-in-class accuracy with low false positives. Plagiarism detection and writing feedback tools further support originality and responsible AI use. GPTZero helps institutions build clear policies around ethical AI adoption. The platform is trusted by millions of users worldwide.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

ChatGPT Yes 
GPT-3 Yes 
GPT-4 Yes 
Avoid.so No 
Axis LMS No 
Blocksi No 
Claude No 
GPT-5 No 
Gemini No 
Google Chrome No 
Google Classroom No 
Google Docs No 
Grok No 
Humanio No 
Llama No 
Llama 4 Maverick No 
OpenAI Yes 
Perplexity No 
Phrasly No 
Zapier No 

Integrations

ChatGPT Yes 
GPT-3 Yes 
GPT-4 Yes 
Avoid.so Yes 
Axis LMS Yes 
Blocksi Yes 
Claude Yes 
GPT-5 Yes 
Gemini Yes 
Google Chrome Yes 
Google Classroom Yes 
Google Docs Yes 
Grok Yes 
Humanio Yes 
Llama Yes 
Llama 4 Maverick Yes 
OpenAI No 
Perplexity Yes 
Phrasly Yes 
Zapier Yes 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

$12.99/month
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

GLTR

Country

United States

Website

gltr.io

Vendor Details

Company Name

Superhuman

Country

United States

Website

gptzero.me/

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