I tested 9 AI content detectors – and these 2 correctly identified AI text every time [Video]

When I first examined whether it’s possible to fight back against AI-generated plagiarism, and how that might work, it was January 2023, just a few months into the world’s exploding awareness of generative AI. 

This is an updated version of that original January 2023 article. When I first tested GPT detectors, I used three: the GPT-2 Output Detector (this is a different URL than we published before), Writer.com AI Content Detector, and Content at Scale AI Content Detection (which is apparently now called BrandWell). 

Also: How to use ChatGPT: Everything you need to know

The best result was 66% correct from the GPT-2 Output Detector. I did another test in October 2023 and added three more: GPTZero, ZeroGPT (yes, they’re different), and Writefull’s GPT Detector. Then, in the summer of 2024, I added QuillBot and a commercial service, Originality.ai, to the mix. This time, I’ll also be …