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Reviews on G2
37 reviews tracked

The Bottom Line

Price
From $5/mo, billed monthly, free trial. Compare plans

Key facts

  • Detects AI-generated content from leading AI models with high accuracy.
  • Humanizes AI-written text to achieve human-like scores and avoid detection.
  • Offers business solutions including white-labeling, an SEO content writer, and an API.

Pros

  • Achieves high accuracy in detecting AI-generated content, including paraphrased text.
  • Transforms AI-generated text to pass as human-written, reducing detection risk.
  • Offers a free tier for basic AI detection and paid plans for humanization and higher word counts.
  • Provides business-specific tools like an SEO content writer and white-label options.
  • Integrates into workflows with a Chrome Extension and Developer API.

Cons

  • The effectiveness of humanization may vary depending on the complexity of the original AI-generated text.
  • Advanced features like humanization and higher word counts are part of paid plans.

What is Undetectable AI?

Undetectable AI provides a comprehensive solution for identifying and transforming AI-generated content. Its core functionality includes an AI Detector that analyzes text to determine the likelihood of it being produced by advanced AI models, and an AI Humanizer that rephrases AI-generated content to appear more human-like, aiming for 100% human-content scores. This tool is designed for individuals and businesses who need to ensure their content passes AI detection, whether for academic integrity, professional communication, or SEO purposes. The platform supports detection of content from various AI generators and offers features like a sentence rewriter, word counter, and a Chrome Extension for on-the-go analysis. For businesses, Undetectable AI offers scalable solutions including an SEO Content Writer that generates humanized, optimized articles, white-label options for integrating its technology into other platforms, and a developer API for custom application development. It is trusted by millions of users for its reported high accuracy in distinguishing human-written from AI-generated text, even paraphrased content.

Ratings Across the Web

4.4 (37 reviews)

Undetectable AI holds an aggregate rating of 4.4 out of 5 from 37 reviews across G2, last checked June 2, 2026.

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

  • AI Detector for various AI models
  • AI Humanizer to make content undetectable
  • Collective results from multiple AI detectors
  • Sentence Rewriter
  • Word Counter
  • Chrome Extension for browser-based detection and humanization
  • API for custom integrations
  • SEO Content Writer for humanized, optimized articles

Pricing Plans

Free Trial

Pricing checked Oct 13, 2026. Source: undetectable.ai/pricing, read Oct 13, 2026

Undetectable AI plans and prices, checked October 2026
Plan Price Details
10K words/month

$9.99 / mo

  • Passes AI detectors
  • High quality, legible content
  • Watermark and future proof
+1 more
  • Writing level matching
10K words/month (Yearly)

$5.00 / mo

  • Passes AI detectors
  • High quality, legible content
  • Watermark and future proof
+1 more
  • Writing level matching
20K words/month

$19.00 / mo

  • Passes AI detectors
  • High quality, legible content
  • Watermark and future proof
+1 more
  • Writing level matching
20K words/month (Yearly)

$9.50 / mo

  • Passes AI detectors
  • High quality, legible content
  • Watermark and future proof
+1 more
  • Writing level matching
35K words/month

$31.00 / mo

  • Passes AI detectors
  • High quality, legible content
  • Watermark and future proof
+1 more
  • Writing level matching
35K words/month (Yearly)

$15.75 / mo

  • Passes AI detectors
  • High quality, legible content
  • Watermark and future proof
+1 more
  • Writing level matching
Business

Contact us

  • Custom Pricing & Plans
  • Non-expiring credits
  • Redistribution & white labeling
+3 more
  • Built to fit your needs
  • Priority support
  • Access to Smart Job Applier

Included in all plans

  • API compatible
  • Unlimited Human Auto Typer
  • Unlimited AI Detecting

Is Undetectable AI worth the price?

Good value

The pricing for Undetectable AI is fair, especially with the significant discounts for yearly subscriptions.

For example, the 10K words/month tier drops from $9.99/mo to $5.00/mo annually. This makes it a good option for individuals and small businesses who need consistent AI humanization services.

Full Undetectable AI pricing: every plan, hidden costs and alternatives

How Undetectable AI's pricing compares

At $5/mo, billed monthly, Undetectable AI is mid-range of its 5 comparable direct competitors ($4.89 to $15/mo across the set).

Undetectable AI
$5

Entry paid plan, monthly price, billed monthly. Pricing checked Oct 13, 2026.

Email me when Undetectable AI changes its price

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Undetectable AI by the numbers

Toolradar data: Undetectable AI's entry paid plan ($5/mo, billed monthly) ranks #14 of 164 (joint) for price among the SEO Tools tools with a verified entry price and no stated unit, where the median is $39/mo. As of Oct 2026.

Undetectable AI compared with 270 SEO Tools tools on Toolradar, as of Oct 2026
Metric Undetectable AI Peer median Position (1 is best)
Entry paid plan $5/mo, billed monthly $39/mo #14 of 164 (joint) tools with no stated price unit, verified price
Free plan No 48% have one n/a
Listed as an alternative to 2 tools 2 #107 of 270 (joint)
User rating 4.4/5 (across the web, 37 ratings) 4.6/5 #91 of 130 (joint) tools with 20+ reviews

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All SEO Tools data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Undetectable AI by the numbers”, Oct 2026.

Reviews

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4.4/5

Across 37 verified user reviews on G2

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Undetectable AI FAQ

How does Undetectable AI help with SEO content creation?

Undetectable AI offers an SEO Content Writer specifically designed to generate humanized and optimized articles. This feature helps ensure that content created for SEO purposes is less likely to be flagged as AI-generated, which can be beneficial for search engine rankings.

What kind of user benefits most from Undetectable AI?

Undetectable AI is best suited for individuals and businesses who need to ensure their content passes AI detection. This includes users focused on academic integrity, professional communication, or optimizing content for SEO purposes.

How is Undetectable AI priced?

Undetectable AI operates on a paid model, with advanced features like humanization and higher word counts available through paid plans. While it offers a free tier for basic AI detection, comprehensive functionalities are part of its subscription offerings.

Can Undetectable AI detect content that has been paraphrased by other tools?

Yes, Undetectable AI is designed to achieve high accuracy in detecting AI-generated content, even if it has been paraphrased. This capability helps users identify AI text that has been modified to evade detection.

How does Undetectable AI compare to Originality.AI?

Undetectable AI provides both an AI Detector and an AI Humanizer to transform AI-generated content, aiming for 100% human-content scores. It also offers business-specific tools like an SEO Content Writer and white-label options, which may differ from the feature set of Originality.AI.

What are the limitations of Undetectable AI's humanization feature?

The effectiveness of Undetectable AI's humanization feature can vary depending on the complexity of the original AI-generated text. While it aims to make content appear human-like, the intricacy of the source material may influence the outcome.

Does Undetectable AI offer integrations for existing workflows?

Yes, Undetectable AI integrates into various workflows through a Chrome Extension for on-the-go analysis. It also provides a Developer API for custom application development, allowing businesses to embed its technology into their platforms.

How does Undetectable AI pricing compare with other SEO Tools tools?

Undetectable AI's entry paid plan ($5/mo, billed monthly) ranks #14 of 164 (joint) for price among the SEO Tools tools with a verified entry price and no stated unit, where the median is $39/mo. Prices are read on each vendor's own pricing page and compared only with tools priced on the same basis. Source: Toolradar, Oct 2026.

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