It will show as OpenAI, Claude, and human-generated, but most of the time it's fake. I tested a scientific paper from the 90s, and it still showed OpenAI and Claude details in there. I tested the same on a copyright detector, and it showed as 100% original. AI Humanizer is in beta, but the Humanizer text detector is behind a paywall. I am a bit reluctant to keep it because they mentioned implementing some features into the deal and also considering locking the annual renewal plan, but there has been no response after that. Unfortunately, it's more like Poorlygraf AI at this point, which I hope is not worth it.