Undetectable AI's Paraphrasing Tool: Would I Recommend It

Undetectable AI’s paraphrasing tool is one of the few ways you can safeguard your work against false positive AI detection. But, is it really worth the money?

John Angelo Yap

Updated June 14, 2024

A robot in camouflage, generated with Midjourney

A robot in camouflage, generated with Midjourney

Reading Time: 4 minutes

As technology evolves, we become more accustomed to the expanding world it offers. With the introduction of AI came a great shift in the writing space: more and more writers are becoming more familiar with LLMs and some have begun using it as a writing assistant.

But, everything has its drawbacks.

Writers and students are now receiving false positive results from AI detectors. For some, it’s a slap on the wrist. For many, it’s ruining their reputation and hurting their academic performance.

That’s the reason AI bypass tools are becoming more important. And that’s also why we’re reviewing one of my favorite bypassers today. In this article, I’ll be reviewing Undetectable AI’s paraphrasing tool including its features, accuracy, and what exactly makes it recommendable. Stay tuned!

What is Undetectable AI?

Undetectable AI is an AI-powered paraphraser whose one goal is to make AI writing appear more human so it could bypass common AI detection tools. Despite it being one of the most obvious use cases, Undetectable AI actually cautions against using their tool for academic misconduct.

There are three main facets of Undetectable AI: the paraphrasing tool (which we’ll discuss in-depth in this article), the AI human typer (which we’ve reviewed in the past), and their AI detection software.

Features

Undetectable AI’s paraphrasing tool is made to bypass AI detection. To do this while being consistent with your input, Undetectable AI built a ton of output customization features to make the paraphrased output better. These are the following:

  • Readability: Adjusts the overall readability of your input. This ranges from high school to doctorate, and includes specific use cases such as journalism or marketing.
  • Purpose: Tweaks your text based on a specific use case. This includes essays, articles, marketing or legal material, story, cover letter, report, and more.
  • AI Level: Allows you to switch the output from more readable, balanced, and to more human. The more readable it is, the likelier it gets tagged as AI and vice versa.

Output Quality

To show you Undetectable AI’s output quality, I generated a short essay using ChatGPT. Here’s both the original text and the transformed text side-by-side:

Original ChatGPT Essay

ChatGPT + Undetectable

A pebble, though small and often overlooked, is a testament to time and the relentless forces of nature. Born from the breaking down of larger rocks through erosion, a pebble’s smooth surface and rounded shape tell a silent story of its journey through rivers, streams, and waves. Each pebble is unique, with its own color, texture, and pattern, reflecting its mineral composition and the environments it has traversed. In the world of geology, pebbles are markers of geological history, representing the gradual processes that shape the Earth. In human culture, they have been used as simple tools, symbols in art, and even metaphors for perseverance and the passage of time. Despite their modest size, pebbles embody the essence of endurance and transformation, offering a profound reminder of the beauty and complexity found in the seemingly ordinary.

Though often unnoticed a pebble signifies the passage of time and the powerful forces of nature. Created by the erosion of rocks, a pebbles surface and rounded form narrate its journey, through rivers, streams and ocean waves. Each pebble is distinct displaying its color, texture and design that mirror its mineral makeup and the places it has traveled. In geology pebbles serve as indicators of Earths history showcasing the processes that sculpt our planet. Across civilizations they have served purposes. From basic tools to symbolic representations in art. Embodying themes of resilience and temporal progression. Despite their appearance pebbles encapsulate endurance and transformation offering a reflection, on the intricate beauty found within ordinary objects.

The biggest asterisk in regards to Undetectable AI’s bypassing capabilities is that it sacrifices readability for undetection. Notice how the tweaked text is missing a lot of punctuations and contains grammar mistakes? That’s what you should expect from Undetectable AI.

Not only grammar and punctuation errors, but it also removes all tone and rhythm present in the original text. What’s already somewhat monotonous reaches a point where it’s almost unreadable. I get that it’s to avoid detection, but look at how better it can be once it removes these issues:

ChatGPT + Undetectable

The Final Output

Though often unnoticed a pebble signifies the passage of time and the powerful forces of nature. Created by the erosion of rocks, a pebbles surface and rounded form narrate its journey, through rivers, streams and ocean waves. Each pebble is distinct displaying its color, texture and design that mirror its mineral makeup and the places it has traveled. In geology pebbles serve as indicators of Earths history showcasing the processes that sculpt our planet. Across civilizations they have served purposes. From basic tools to symbolic representations in art. Embodying themes of resilience and temporal progression. Despite their appearance pebbles encapsulate endurance and transformation offering a reflection, on the intricate beauty found within ordinary objects.

As a kid, I used to just kick pebbles around without giving them a second thought. But the other day, I was hiking and stopped to really look at one up close, wondering how much story that little rock contained. 


Each pebble is a new story. One had a reddish swirl from iron deposits, another had a tiny quartz vein running through it that probably took millennia to form, and the one that caught my eye had a smooth, curved surface that told me it had been tumbling along stream beds for ages before settling on that trail.


Though they often go unnoticed, a pebble is a steadfast reminder of the passage of time in the context of our place in nature. Weathered and shaped by yesterday’s actions, their smooth texture tells us a story of how they came to be and all the challenges that came with it. Each one is unique, tailored to the surroundings and the context of how they came to be. Science tells us that they’re reminders of how the Earth came to be, while philosophy tells us that they’re the essence of endurance and transformation. Intricate beauties found within mundane packages.


It's wild to imagine all the places it may have traveled and the crazy forces of erosion that broke it off from some bigger rock eons ago. Was it once part of a mountain? Swept along in a glacier? Pebbles are like time capsules that bear witness to how this whole planet evolved over deep time.


The next time I pick up a pebble, I'll remember that each one is a tiny marvel that proves even the most unassuming things have incredible journeys if we care to listen to their stories.

And if you’re worried about getting hit with a positive AI score, let me tell you now that passing Undetectable AI’s tweaked text without editing it is a recipe for disaster. It may avoid AI detectors, but it wouldn’t pass the smell test of anyone. The best way to use Undetectable AI is to generate a tweaked version of your original text and put your own twist to it so it maintains both readability and low detection scores.

AI Bypass Test

Test #1

Undetectable AI Successful!
AI Likelihood Score: 2.2%

Test #2

Undetectable AI Unsuccessful.
AI Likelihood Score: 68.0%

Test #3

Undetectable AI Unsuccessful.
AI Likelihood Score: 0.0%

Test #4

Undetectable AI Successful!
AI Likelihood Score: 0.0%

Test #5

Undetectable AI Successful!
AI Likelihood Score: 0.1%

Test #6

Undetectable AI Successful!
AI Likelihood Score: 0.1%

Test #7

Undetectable AI Successful!
AI Likelihood Score: 32.6%

Overall Score

Test Number

AI Likelihood Score

Test #1

2.2%

Test #2

68.0%

Test #3

0.0 %

Test #4

0.0 %

Test #5

0.1%

Test #6

0.1%

Test #7

32.6%

Average

14.71%

The Bottom Line

When you’re judging software, you have to look at it contextually. In the case of Undetectable AI, as a paraphrasing tool, it’s hard to recommend it against the likes of QuillBot and Grammarly.

But, as an AI bypass tool? I seriously don’t think there’s any other platform that’s as good as Undetectable AI.

It may have failed at generating coherent text, but it’s actually good enough to fool Sapling (one of the best AI detectors today, according to our latest testing) six out of seven times. That level of undetection consistency can’t be found elsewhere. 

So, would I recommend Undetectable AI? Absolutely, but only if you’re aware of its shortcomings and use it to its fullest potential. If you want to learn more about what makes it special, make sure to read our countless articles on it like this one or this one. Happy writing!

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Written by John Angelo Yap

Hi, I'm Angelo. I'm currently an undergraduate student studying Software Engineering. Now, you might be wondering, what is a computer science student doing writing for Gold Penguin? I took up studying computer science because it was practical and because I was good at it. But, if I had the chance, I'd be writing for a career. Building worlds and adjectivizing nouns for no other reason other than they sound good. And that's why I'm here.

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