Last updated 08-15-2026
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UndetectedGPT (formerly UndetectableGPT)
UndetectedGPT humanizes AI-written text so it reads naturally and scores lower on detectors like GPTZero, Turnitin, and Originality.ai. You paste draft copy, pick a tone such as Academic, run Ghost Mode humanization, and check the result in the built-in AI Detector before you submit.
Generic paraphrasers swap words without targeting detector behavior. UndetectedGPT adds Ghost-1, a proprietary humanization model, plus Ghost Writer for longer edits in a document-style editor. Paid tiers raise daily credits, stealth boosts, and per-request word limits while the free plan stays capped at two credits and 150 words per run.
Students, marketers, and freelancers use UndetectedGPT when ChatGPT or Claude drafts need a more human rhythm without a full manual rewrite. The old undetectablegpt.com domain no longer resolves, so the product now lives at undetectedgpt.ai.
Ghost-1 proprietary humanization model with Ghost Mode rewriting
Built-in AI Detector to score text before you export it
Ghost Writer document editor for longer stealth drafts
Tone customization including Academic and other audience styles
Free tier includes 2 credits per day and 150 words per request
Pro plan offers 100 credits per day and 500 words per request
Business plan provides unlimited credits and 1,000 words per request
Humanizer, editor, and detector live in one UndetectedGPT workspace.
Ghost-1 model and Ghost Mode target detector-specific rewriting.
Transparent per-tier credit and word limits on the pricing table.
Free plan allows only 2 credits and 150 words per request per day.
Old undetectablegpt.com bookmarks break because DNS no longer resolves.
Stealth boosts are zero on the free tier and require a paid plan.
What is UndetectedGPT?
UndetectedGPT is an AI humanizer at undetectedgpt.ai that rewrites AI-generated text to read more naturally and pass common AI detectors. It includes humanization, Ghost Writer, and an AI Detector in one workspace.
Which AI detectors does UndetectedGPT target?
UndetectedGPT markets bypass support for major detectors including GPTZero, Turnitin, and Originality.ai. The site encourages running humanized text through its built-in AI Detector before submission.
Is UndetectedGPT free?
UndetectedGPT offers a free plan with 2 credits per day and a 150-word limit per request. Plus, Pro, and Business subscriptions raise credits, stealth boosts, and per-request word caps.
What is Ghost Mode on UndetectedGPT?
Ghost Mode is UndetectedGPT's humanization flow that rewrites pasted AI text with more natural rhythm and wording. It pairs with tone selection so outputs match academic or other writing styles.
What happened to undetectablegpt.com?
The undetectablegpt.com domain no longer resolves in DNS. UndetectedGPT now operates from undetectedgpt.ai, where the humanizer, pricing, and Ghost-1 model are hosted.
How much does UndetectedGPT Pro cost?
UndetectedGPT Pro is listed at $29.99 per month on the pricing page, with 100 daily credits, 15 stealth boosts per day, and 500 words per humanization request.