UndetectedGPT

UndetectedGPT is an AI text humanization platform that transforms AI-generated content into natural, human-sounding text that bypasses the strictest AI detectors. Powered by Ghost-1, a proprietary model purpose-built for humanization, it delivers top results against GPTZero, Originality.ai, Turnitin, Copyleaks, and ZeroGPT.
The Humanizer includes free real-time auto-detection scoring, letting users see how their content performs against top detectors before publishing. Ghost Writer is a built-in document editor for drafting and refining long-form humanized content. A standalone AI Detector is also included for identifying AI-generated text.
The UndetectedGPT API enables businesses, agencies, and developers to integrate humanization directly into their products and workflows at scale. Ghost-1 is model-agnostic — it works with content from ChatGPT, Claude, Gemini, LLaMA, Mistral, and more. Trusted by thousands of users for SEO, marketing, copywriting, and enterprise content production.