Undetectable AI
AI humanizer and detector that rewrites AI-generated text and checks text and images for AI origin.
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- 5 of 5
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- 3
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- 0
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About Undetectable AI
Undetectable AI is a web tool best known for its AI humanizer, which rewrites text from ChatGPT, Claude or Gemini so it reads more naturally and scores as human on AI detectors. It also runs its own AI text detector that highlights flagged sentences, plus a growing list of side tools: an AI image detector, paraphraser, essay writer, plagiarism checker, audio and deepfake detectors and an AI job-application helper. A Chrome extension brings the detector and rewriter into Google Docs, Gmail and other pages, and there is an API. Pricing is word-based subscriptions, cheaper on yearly billing, with a short free trial limited to a few hundred words. Users include students, marketers and writers. Be aware that the core pitch is getting past AI detection, which schools and some publishers treat as a policy issue, and that detectors and humanizers are in an arms race, so results are not guaranteed.
Best for: Writers who use AI drafts and want them rewritten to read naturally and check how detectors see them.
Pros and cons
What works
- Humanizer and AI detector in one place
- Chrome extension works inside Google Docs and Gmail
- Refund promise if humanized output is flagged
Why people leave
- Free trial is limited to 250 words
- Word allowances on cheaper plans run out quickly
- Bypassing AI detection may break school or employer rules
Top Undetectable AI alternatives
See all 3- 1
Grammarly76.8Full writing assistant with grammar, tone and rewrite suggestions, plus an AI detector for checking drafts.
- 2
QuillBot71.0Paraphraser with a free tier, plus grammar checking and its own AI detector, at a broad student-friendly price.
- 3
Wordtune64.8Rewrites sentences in different tones to sound natural, aimed at improving writing rather than beating detectors.
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Undetectable AI: common questions
Is Undetectable AI free?
No, Undetectable AI is a paid product. Starting price: $5.00/month billed yearly (10K words) (checked on Undetectable AI's own site).
Is Undetectable AI open source?
No, Undetectable AI is not open source.
What platforms does Undetectable AI run on?
Undetectable AI is available for Web and Browser extension.
What are the best alternatives to Undetectable AI?
The highest-ranked Undetectable AI alternatives right now are Grammarly, QuillBot and Wordtune. See the full ranked list for pricing, platforms and verified facts.