TwainGPT is an AI humanizer that rewrites AI-generated text into human, undetectable writing that bypasses AI detectors. It supports over 100 languages, offers a first-class mobile experience, and is built to perform against detectors like GPTZero, Copyleaks, Turnitin, Grammarly, and more. TwainGPT plans scale from light to unlimited usage, allowing users to humanize content at any volume.