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AI Detection

9 tools · 6 with a free plan · 3 with an API

9 tools in this group, each with a full profile: what it does, key features, screenshots, and pricing when the maker publishes it.

Pricing

Clever AI Humanizer

Free editor that reworks AI-assisted drafts for tone, sentence variety and readability in English, Spanish and Portuguese.

AI HumanizerFree plan

Turnitin

Academic integrity software that checks text similarity and AI writing, plus grading, feedback and secure exam tools.

StealthWriter

AI text humanizer with a built-in AI detector, three rewrite levels and sentence-by-sentence alternatives.

AI HumanizerFrom $20/mo

CoGrader

AI grading assistant that scores essays against a teacher's rubric and drafts feedback for the teacher to review.