What is Undetectable AI?

Undetectable AI is a tool that detects if text was written by AI and can transform it to appear human-written, thus bypassing AI content detectors.

How much does Undetectable AI cost?

Plans start at $9.99/month for 10,000 words. The annual plan is $5/month ($60/year) for 10,000 words/month. A free 250-word trial is available without signup.

Does Undetectable AI really work?

Yes, ranked #1 by Forbes and validated by a peer-reviewed study, the tool detects 100% of tested AI texts. The refund guarantee proves their confidence in their technology.

Which AI models can Undetectable AI humanize?

The tool humanizes content from ChatGPT, GPT-4, GPT-5, Claude, Gemini, Llama and also detects texts paraphrased by QuillBot or Grammarly.

Is Undetectable AI ethical to use?

The tool is designed for legitimate use: improving the naturalness of marketing content, avoiding false positives on human texts, etc. Using it to cheat on exams is not recommended.

Can I use Undetectable AI in French?

Yes, the tool supports over 50 languages including French, although maximum accuracy is in English.

Undetectable AI

Humanize your AI content to bypass detection

CertifiedLaunched in 2023

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ComplexityVery accessible

Origin

🇺🇸United States

Ideal for

FreelancersStartupsMedium businesses

ComplexityVery accessible

Origin

🇺🇸United States

Ideal for

FreelancersStartupsMedium businesses

Undetectable AI

About Undetectable AI

Strengths

Simultaneous multi-source detection (GPTZero, OpenAI, etc.)
Effective humanization with refund guarantee
Also detects paraphrased content (QuillBot, Grammarly)
50+ languages supported
Chrome extension included
Free 250-word trial without signup
Ranked #1 by Forbes

Limitations

Using for academic cheating is discouraged
Variable humanization quality in French
Per-word pricing can get expensive
Monthly plans expire at end of month

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Features

Plagiarism detection

Multilingual Writing

Browser Extension

Tone adjustment

AI Writing

Content templates

Brand Voice

Unlimited words

SEO Optimization

Keyword research

SERP analysis

Pricing

Free

AI detection gratuite
Humanisation test
Sans inscription

250 mots (essai)

User reviews

Compare Undetectable AI

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ChatGPT

The world's most popular conversational AI assistant by OpenAI.

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Claude

Conversational AI assistant with extended context and ethical approach.

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Grammarly

AI writing assistant for flawless writing.

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Google Gemini

Google's multimodal AI assistant integrated into the entire Google ecosystem.

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Popular comparisons

Undetectable AI vs ChatGPT Undetectable AI vs Claude Undetectable AI vs Grammarly Undetectable AI vs Google Gemini

Alternatives to Undetectable AI Category Writing & SEO

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Price

Freemium

Starting from 9.99€/mo

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About Undetectable AI

Strengths

Simultaneous multi-source detection (GPTZero, OpenAI, etc.)
Effective humanization with refund guarantee
Also detects paraphrased content (QuillBot, Grammarly)
50+ languages supported
Chrome extension included
Free 250-word trial without signup
Ranked #1 by Forbes

Limitations

Using for academic cheating is discouraged
Variable humanization quality in French
Per-word pricing can get expensive
Monthly plans expire at end of month