Paste an essay, homework answer or any writing below. You'll get a likelihood estimate, the reasons, and the specific passages that read like AI — in about 20 seconds.
TeacherFrame builds practice worksheets, quizzes and reading sets tailored to your child — 22+ tools, K–12. The AI Detector stays free on every plan.
Start free →No detector is fully reliable — AI text can look human and human text (especially formulaic school writing) can look like AI. That's why we show the reasons and suspicious passages instead of just a score, and why we recommend using it as a conversation starter, not as proof.
No. The text is sent to the AI model for one-time analysis and is not saved on our servers or used for training.
Each check costs us real AI compute. Four a day covers normal parent/teacher use; inside TeacherFrame the detector is free on every plan, including the free one.
Yes — it was built for parents and teachers checking K–12 writing. Keep in mind that short texts (under a few paragraphs) are hard to assess for any detector, which is why we ask for at least 200 characters.
Also free: Citation Generator (APA/MLA/Chicago)
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