
Polygraf.ai
QuillBot
GPTZero
Undetectable.ai
Grammarly
Copyleaks
Originality.AI
Turnitin
Vim Python IDE
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, marketers, educators, and legal professionals, Polygraf is the all-in-one toolkit for content validation, originality and trust. Some of Polygraf AI’s top features include: AI Detector, Source Detector, Humanized Text Analysis, Copyright Detector, Deception Filter, and Writing Analysis. Please visit app.polygraf.ai to learn more.
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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. So, Polygraf was the only one that showed that I had used AI but it was Grammarly.
QuillBot - Quillbot is a free paraphrasing tool that will rewrite any sentence or paraphraph you give it. The article rewriter can rewrite essays or articles and is excellent as a grammar and fluency corrector.
GPTZero - Chat GPT detector. Humans Deserve the Truth.
Undetectable.ai - The most powerful and advanced AI humanizer tool, built to bypass AI algorithms and ensure that your writing remains undetectable to AI detectors.
Grammarly - Clear, effective, mistake-free writing everywhere you type.
Copyleaks - Copyleaks, where technology meets integrity.
Originality.AI - Protect your reputation and improve your content quality by accurately detecting duplicate content and artificially generated text with the most accurate AI detection tool on the market.