ZDNet: “I tried 5 online tools to find out With the sudden arrival of ChatGPT, educators and editors are facing a worrying surge of automated content submissions. We look at the problem and what might be done. When I first looked at the question of 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. Now, almost a year later, it feels like we’ve been exploring generative AI for years and years, but we’ve really been looking at the issue for a matter of months. In any case, this is an updated version of that original January article. When I first tested GPT detectors, I used three: the GPT-2 Output Detector, Writer.com AI Content Detector, and Content at Scale AI Content Detection. The best result was 66% correct, from the GPT-2 Output Detector. This time, I’m adding three more: GPTZero, ZeroGPT (yes, they’re different), and Writefull’s GPT Detector. Unfortunately, I’m removing the Writer.com AI Content Detector from our test suite because it failed back in January and it failed again now.”