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Frequently asked questions

Straight answers about AI detection: accuracy, false positives, schools, hiring and what a score is allowed to mean.

Product

How the detector works, what is free, and what happens to your text.

Usage

Accusations, classrooms, hiring and what a score does not prove.

Market

Questions people ask about other detectors and the category as a whole.

How accurate are AI detectors?

What AI detector accuracy claims mean, why false-positive rate matters more than a headline percentage, and how IA Checker publishes its run.

Is IA Checker's AI detector free?

What you can run for free on IA Checker, and what document upload and Ultra require.

Do AI detectors store the text I submit?

How IA Checker treats submitted text, and why you should read each vendor's privacy page before pasting sensitive writing.

What does an AI detection score mean?

How to read an AI percentage and verdict tier: lean of measured patterns, not the odds that someone cheated.

Can an AI detector prove someone used ChatGPT?

Why a detection score cannot prove ChatGPT use or authorship, and what to do with flagged text instead.

Why was my own writing flagged as AI?

Common reasons human writing scores as AI: ESL, formal register, editing tools, short samples — and what to check next.

Do AI detectors flag non-native English writers more often?

Documented bias of AI detectors against non-native English writing, and why scores must not stand alone in academic or hiring decisions.

Does rewriting AI text beat a detector?

What happens when generated text is paraphrased or humanized, and why "beating" a detector is the wrong frame.

Is ZeroGPT accurate?

How to think about ZeroGPT accuracy claims, free-tier limits, and where a sourced comparison helps.

Is Turnitin AI detection reliable?

What institutions should know about Turnitin AI writing detection: access limits, paraphrasing, and process around scores.

Do AI detectors work on Claude writing?

Whether AI detectors catch Claude output, and why model-specific certainty is usually overstated.

Are AI detectors legal to use in schools?

Legal and fairness basics for schools using AI detection: policy, privacy, and due process around scores.