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gptzero.me
https://gptzero.me/
AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini
Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.
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quillbot.com
https://quillbot.com/ai-content-detector
AI Detector & AI Checker - Detect ChatGPT, GPT-5 & Gemini Text
QuillBot's Free AI Detector - Use our AI checker to analyze text and identify content generated from ChatGPT, GPT-5, Gemini, Claude, and other AI platforms.
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zerogpt.com
https://www.zerogpt.com/
AI Detector - Trusted AI Checker for ChatGPT, GPT5 & Gemini
Our AI detection model includes several components that analyze text to determine its origin and if it was written by AI. We use a multi-stage methodology designed to optimize accuracy while minimizing false positives and negatives.
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scribbr.com
https://www.scribbr.com/ai-detector/
AI Detector - Trusted AI Checker for ChatGPT, Copilot & Gemini
Our AI checker is built using advanced algorithms for detecting AI-generated content. It’s also been enhanced to distinguish between human-written, AI-generated, and AI-refined writing.
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grammarly.com
https://www.grammarly.com/ai-detector
AI Detector: Free AI Checker for ChatGPT, GPT5 & Gemini
Navigate responsible AI use with our AI checker, trained to identify AI-generated text. A clear score shows how much of your work appears to be written with AI so you can submit it with peace of mind.
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zerogpt.org
https://zerogpt.org/ai-detector
Free AI Detector | ChatGPT Detector | AI Checker - ZeroGPT
AI Content Detector is an AI-powered platform that offers advanced tools for content analysis and detection. It specializes in providing accurate assessments of text content to determine its originality and authenticity.
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ai-detector.net
https://ai-detector.net/
Free AI Detector & ChatGPT Detector
With the rise in popularity of various AI text generation platforms, it is vital to know whether content was written by humans or created by an AI platform. We have incorporated as many technologies as possible into our tool to detect potential issues in any given piece of content.