A 2026 University of Florida study tested five commercial AI detectors and found false positive rates ranging from 0.05% to 68.6%. Many of the companies selling AI detection tools also sell “humanisation” products, sometimes called AI removers or rewriters, designed to make flagged text score as human-written. If you take a piece of well-edited human writing and put it through a few AI detectors, there’s a good chance at least one will flag it. Harpal Singh, AI SEO and GEO Consultant and Founder, Blimpp“It is not that all AI detectors intentionally exaggerate scores. “AI detection systems should never be viewed as proof of violation or authorship.