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Undetectable.ai
Grammarly
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Turnitin
Polygraf AI is a free, completely private AI Content detector that flags text from ChatGPT, Gemini, Mistral, Llama, Grammarly and more and traces sources and copyright risk in one click.

espanso
TextExpander
Beeftext
aText
PhraseExpander
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Typinator by ergonis.com
CodeExpander is a smart feature with TextExpander and embraces the GitHub Gist client.
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Website, pricing, platforms and company facts side by side.
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| Website | polygraf.ai | codeexpander.com |
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| Company | Startup from the United States · 50 - 99 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Polygraf AI is a free, completely private AI Content Detector that that flags text from ChatGPT, Gemini, Mistral, Llama, Grammarly and others, traces content sources, and detects copyright risk in a single click. It is available on a web browser or as a Chrome extension. Built for solopreneurs,...
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What each product offers, as listed by its team.


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How to Use Polygraf AI Content Detection Extension
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This tool has one of the best ai (model) detectors, it really saved me when I was submitting my essay (it was 87% AI lol). Extension + web version is convenient, especially for students.
I transitioned from Turnitin to gptzero to Polygraf. they were all useless, as I got almost suspended due to my school almost failing me for using Grammarly. I can almost swear that that I did not use any other thing....
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