
AI Detector (AIDetector) is a completely free online AI content detection tool designed to identify whether text was generated by AI models such as ChatGPT, GPT-4, and other artificial intelligence models, with a core focus on maintaining academic integrity and verifying content originality.
Yes, AI Detector is completely free, with no usage charges, and no word limits; users can perform unlimited text detection and analysis.
Official data show an accuracy of up to 99.1%, with an average detection time of about 3 seconds, quickly providing a detailed report including sentence-by-sentence analysis and overall confidence scores.
Supports detection of text generated by ChatGPT, GPT-4, Claude, Gemini, and other mainstream AI models.
Yes. After visiting the site, complete registration to use all features for free.
It can generate a detailed PDF report, including sentence-level heatmaps, overall and sentence-level confidence scores, and export options.
Primarily suitable for educators, students, content creators, editors, academic publishers, and anyone who needs to verify text originality and guard against AI-generated content.

Originality.AI is a professional AI content and plagiarism detection tool that helps creators, educators, and businesses verify text originality, ensuring content authenticity and compliance.

AI Detector is a free online content detection tool that supports unlimited-length scans. It quickly identifies text generated by mainstream models like ChatGPT and GPT-4, helping ensure authenticity and originality of content.