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Undetectable AI Review

Undetectable AI provides tools for identifying AI-generated text and images, and offers an AI humanizer to rewrite AI text to be less detectable by other AI systems.

shipped Aug 2, 2026freemium
Domain rating79Monthly visits454K/mo
Undetectable AI — product screenshot

Why it matters

1Features an AI Humanizer to rewrite AI-generated text for natural language.
2Includes an AI Detector to assess content against major AI detection tools like GPTZero and Turnitin.
3Offers a Chrome Extension for on-page AI content detection and rewriting.
4Supports various writing styles and provides business solutions with API access.

Specs

API Available

Yes, public API

overview

What is Undetectable AI?

Undetectable AI is a text and image analysis tool developed by Undetectable AI that enables content creators, students, and businesses to identify AI-generated content and transform AI-generated text into human-like writing. It functions as both an "AI Humanizer" to modify AI text to bypass detection systems and an "AI Detector" to scan text for machine-generated patterns, providing a likelihood score against tools like GPTZero, Originality.ai, Turnitin, Copyleaks, and ZeroGPT. The platform also includes an AI Image Detector and a Chrome extension for integrated use.

features

Key Features of Undetectable AI

Undetectable AI offers a suite of tools designed to manage and modify AI-generated content, focusing on both detection and humanization. Its core features include advanced text analysis and rewriting capabilities, alongside image detection and browser integration.

  • AI Detector (Text): Scans text to determine the likelihood of it being AI-generated by models like ChatGPT, Claude, and Gemini, providing a score against major AI detection tools.
  • AI Image Detector: Identifies AI-generated images.
  • AI Humanizer (Text Rewriting): Rewrites AI-generated text to enhance vocabulary, grammar, and sentence structure, aiming to make it indistinguishable from human writing and bypass AI detection systems.
  • Chrome Extension: Provides on-page AI content detection, rewriting, and paraphrasing directly within platforms like Google Docs and Gmail.
  • Sentence Rewriter: A dedicated tool for rephrasing individual sentences.
  • Word Counter: Provides a count of words in submitted text.
  • Style Replication: Supports replicating various writing styles during humanization.
  • Business Solutions & API: Offers tailored solutions and an API for integration into broader use cases, available with the highest-tier Business plan ($209/month).
  • File Upload Support: Allows users to upload files for text analysis and humanization, with a word limit of 5000 words for text input.

use cases

Who Should Use Undetectable AI?

Undetectable AI is designed for a diverse user base requiring tools for content authenticity verification and modification of AI-generated text. Its features cater to professionals across various sectors.

  • Content Creators and Marketers: To produce authentic, natural-sounding text, scale content output, maintain a consistent brand voice, and ensure content performs well for SEO.
  • Students and Educators: To write clearly, check their work for AI-generated elements, and ensure assignments are not flagged by AI plagiarism detectors like Turnitin.
  • Professionals and Business Owners: For crafting client emails, reports, proposals, and pitches, ensuring high-quality, consistent, and trustworthy communication.
  • Job Seekers: To streamline workflows and bypass AI detectors in application materials, ensuring resumes and cover letters appear human-written.

how to use

How to Use Undetectable AI

To begin using Undetectable AI, users can access the web platform or install the Chrome Extension. The process generally involves inputting text for detection or humanization.

  • 1Navigate to the Undetectable AI website or install the Chrome Extension from the Chrome Web Store.
  • 2For AI detection, paste or upload text (up to 5000 words) into the AI Detector interface and click 'Check Now'.
  • 3For AI humanization, paste AI-generated text into the AI Humanizer, select desired writing styles, and initiate the rewriting process.
  • 4Review the output for human-like originality and make any necessary adjustments.
  • 5Utilize the Chrome Extension to detect and rewrite content directly within online platforms like Google Docs or Gmail.
  • 6For business integrations, explore the API documentation available with the Business plan.

pricing

Undetectable AI Pricing & Plans

Undetectable AI operates on a freemium model, offering a free tier with limited functionality and various paid plans that scale with word count and features. The highest-tier Business plan includes API access.

  • Freemium: Limited access to AI detection and humanization features.
  • Paid Plans: Tiered pricing based on word count, with specific costs for different usage levels (e.g., $209/month for the Business plan with API access).

Pros

  • +Offers both AI detection and humanization capabilities within a single platform.
  • +Provides a Chrome Extension for convenient in-browser content analysis and rewriting.
  • +Supports replication of various writing styles for diverse content needs.
  • +Includes an API for business integrations, catering to broader use cases.
  • +User-friendly interface for straightforward value proposition and ease of use.

Cons

  • −Inconsistent effectiveness in bypassing updated AI detectors like Turnitin, with bypass rates varying.
  • −Humanized text can sometimes introduce grammatical errors or lack depth, particularly for complex content.
  • −Significant number of user complaints regarding billing issues, including unexpected auto-renewals and restrictive refund policies.
  • −API access is gated behind the highest-tier Business plan ($209/month), limiting accessibility for individual users and small teams.
  • −Some user reviews question the accuracy of marketing claims, such as being rated '#1 best AI detector by Forbes', and note that on-site detector scores are against Undetectable's own model, not third-party detectors.

Policies

Pricing Page

View Pricing→

Similar Tools

Undetectable AI vs Competitors

Undetectable AI operates in a competitive landscape of AI detection and humanization tools. Its primary differentiation lies in its dual focus on both identifying and rewriting AI-generated content to bypass detection.

1
CopyleaksOn Stork

Specializes in highly accurate AI content detection across multiple languages, often bundled with plagiarism checking.

Copyleaks excels at detecting AI-generated content but does not offer a direct 'humanizer' tool to rewrite text to bypass detection, which is a core feature of Undetectable AI.

2
Humanize AI Pro↗

Provides a completely free and unlimited AI detector with a one-click instant humanization feature for flagged text.

Unlike Undetectable AI which focuses on both detection and humanization to bypass, Humanize AI Pro offers unlimited free detection and then provides humanization as a secondary, integrated step.

3
ZeroGPT↗

Offers a free AI humanizer to transform AI-generated text into natural, human-like content, alongside an AI detector.

ZeroGPT provides both free AI detection and humanization, directly competing with Undetectable AI's core offerings, but its humanization might be less focused on 'bypassing' specific detectors and more on general natural language improvement.

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