How do online AI content Detector tools recognize AI content?

nline AI content detector tools use various techniques to recognize AI-generated content
Statistical Analysis , Language Models, Training Data Analysis, Metadata Analysis

honestly none of them seem perfect, especially when the text has been edited by a human. ive had stuff get flagged that was written pretty normally so i wouldnt treat the detector score as definitive

they look for patterns in word choice and sentence structure that humans don't usually write not perfect though

Tools like Copyleaks usually score things like predictability, repetition and writing style. Problem is they can still flag human text, so I wouldn’t treat the result as proof.

through copyscape ?

It depends from tool to tool. But honestly, most of them are just bluff. And the biggest bluff is zerogpt (which btw most people rely on). It just messes up with such a good written content. It mostly detects good grammar. Just spoil it, and that's about it.

Then there is copyleaks and quillbot. Both of them use sentence structure algo, so not much useful again.

Free detection tools are just like free vpn tools, lol, they all tease you to oay and upgrade or fill you up with ads to collect data.