Verdict
My testing revealed that GPTHuman isn’t an AI humanizer I would recommend. It scores poorly when its output is analyzed by AI detectors, and the writing quality issues only compound the detection problems. As a result, extensive manual editing is required before the output is usable. For a premium-priced service, this level of polish simply isn’t acceptable.
There are tools in this space that let you process thousands of words per month for free, produce cleaner output, and actually change detection scores in a meaningful way. My Clever AI Humanizer review covers one that did all three.
Have you tried GPTHuman? Share your experience in the comments below.