... recently compared Toolyzo, GPTZero, ZeroGPT, QuillBot, and Copyleaks using the exact same writing samples. One thing surprised me: The same paragraph received completely different AI scores depending on the detector. One human-written sample was flagged as 100% AI by one detector while others considered it human. A lightly edited AI paragraph fooled several detectors. It reminded me that AI detection is still far from an exact science. If you're building or using AI detectors: What has been your ...