// about QuillBotAI Pro — Free AI Content Detector for Educators & Publishers
QuillBotAI Pro is a free, unlimited AI content detector that identifies text generated by ChatGPT, GPT-5, Gemini, Claude, and Llama, including output that has been humanized or paraphrased to evade simpler detectors. Educators and publishers use it to check submitted work and articles for AI-generated content without a subscription or account, with sentence-level heatmap analysis showing exactly which passages are flagged rather than returning a single document-wide score. No signup is required, making it fast to use for one-off checks.
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