Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.

Paste your text below to check if it was written by AI. Our AI Detector is trained on GPT-5, Gemini, Claude, and Llama and trusted by millions of users. Our AI detector flags text that may be AI …

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 …

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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 …

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Originality.ai's Free AI Detector - Use our free AI checker to identify if text was generated from a popular AI platform like ChatGPT, Gemini, Claude, Grok and others.