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Undetectable AI vs. AISEO: Can They Hide From AI?

As AI models continue to evolve, so do AI detection tools. How sure are you that your work won’t get flagged as AI? With Undetectable AI and AISEO, make that 100%.
Updated April 26, 2024
An artificial intelligence rewriting text, generated with Midjourney
An artificial intelligence rewriting text, generated with Midjourney

Writing has always been hard. In the past, it always felt like you’re your own worst enemy when writing, especially with mental blocks and burnout. Now, professional and amateur writers alike have a new enemy: AI detection.

The concept of filtering AI-written work is good. However, it’s the implementation that deserves the flak. With students getting false positives and receiving punishments for it, there should be more tools that can defend against getting sanctioned for something you didn’t even do.

That’s what makes AI bypass tools so valuable in today’s era. But since they’re mostly paid, it’s hard to pick and choose which ones are actually worth your money. So, let us make your decision easy.

Today, we’re going to look at Undetectable AI and AISEO, compare their output quality and pricing, and determine if they can actually hide from AI detection. Spoiler alert: they absolutely can!

What are Undetectable AI vs. AISEO

Undetectable AI is an AI bypass tool that’s focused solely on rewriting your content so that  it avoids being flagged by AI detection systems. This is possible through changing specific parts of your text so that it appears more human-like. If you’re interested in learning more about Undetectable AI, make sure you read our full review (including use cases and more!) here.

On the other hand, AISEO offers a broader range of AI writing assistance features from paraphrasers to proofreading. However, we’re going to focus on their own AI bypasser today. Unlike Undetectable AI, their bypassing tool doesn’t cover other use cases apart from blogging.

Quality Comparison

Original ChatGPT Text

Amelia's fingers danced across the fabric, guiding the needle with precision. From a young age, she had been captivated by sewing, spending hours watching her grandmother create garments. Now, as an atelier owner, Amelia poured her heart into every stitch, infusing each creation with a piece of her soul.


Her clients were muses, inspiring her to push design boundaries. From gowns to suits, each piece was a masterpiece, testament to Amelia's dedication. With every seamline sewn, she wove stories into the fabric, leaving a mark, one stitch at a time.

Undetectable AI

AISEO

Amelias delicate touch glided over the cloth guiding the needle with care. Since she was young sewing had always fascinated her; she would spend hours mesmerized by her grandmothers hands crafting beautiful garments. Now as the owner of a boutique Amelia put her heart into every stitch infusing her creations, with a piece of herself.


Her clients served as her inspiration urging her to explore design horizons. Whether it was a gown or a sharp suit each piece was a work of art that reflected Amelias commitment. With each seam carefully sewn she embedded stories into the fabric leaving behind a mark with every stitch.

Amelia se­wed with great skill. She le­arned from her grandmother whe­n young. Now she owned a clothing shop. Each item re­ceived careful work. Ame­lia put herself into eve­ry stitch.


Clients were he­r inspiration to create special de­signs. Whether a dress or suit, she­ made beautiful works. Sewing allowe­d Amelia to tell stories through fabric. One­ stitch connected her to e­ach piece.

I’ve taken the liberty of bolding specific parts of the text that are incorrect or could be improved.

At a glance, I can identify the techniques each bypasser uses to avoid AI detection. Undetectable AI focuses on intentionally adding grammar and punctuation errors, while AISEO rewrites the original text and removes a huge chunk of it to sound as human as possible.

So, which is better? It’s hard to say.

I believe that, if you fixed all the added mistakes in Undetectable AI, you’d get more coherent text. The issues surrounding its quality mostly involve simple punctuation errors anyway, notably missed or added commas.

On the other hand, AISEO’s output may look better at first, but it quickly falls apart when you read it. A lot of the original text was removed, even parts that were crucial to the story. It’s like you’re reading something on the back of a shampoo — there’s no rhythm or rhyme to what it’s saying.

AISEO also misunderstood some parts of the original text. The last sentence in the original text goes: “With every seamline sewn, she wove stories into the fabric, leaving a mark, one stitch at a time,” and AISEO changed that to: “One­ stitch connected her to e­ach piece.” That doesn’t make sense at all.

Overall, I’d say Undetectable AI has a lot more grammar issues, but AISEO is a lot less coherent. It’s a “pick your poison” kind of situation. If it were up to me, I’d pick Undetectable AI since I can fix it in a second without supplementing their tweaked text too much.

How Well Can They Hide From AI?

Test #1

Undetectable AI: Detected as human!
AI Likelihood Score: 0.3%

AISEO: Detected as human!
AI Likelihood Score: 0%

Test #2

Undetectable AI: Detected as human!
AI Likelihood Score: 5.3%

AISEO: Detected as human!
AI Likelihood Score: 0%

Test #3

Undetectable AI: Detected as human!
AI Likelihood Score: 0%

AISEO: Detected as human!
AI Likelihood Score: 31.6%

Test #4

Undetectable AI: Detected as human!
AI Likelihood Score: 0%

AISEO: Detected as human!
AI Likelihood Score: 0%

Test #5

Undetectable AI: Detected as human!
AI Likelihood Score: 0.1%

AISEO: Detected as human!
AI Likelihood Score: 0%

Test #6

Undetectable AI: Detected as human!
AI Likelihood Score: 0%

AISEO: Detected as human!
AI Likelihood Score: 0%

Overall Tally

Test Number

Undetectable AI

AISEO

Test #1

0.3%

0%

Test #2

5.3%

0%

Test #3

0%

31.6%

Test #4

0%

0%

Test #5

0.1%

0%

Test #6

0%

0%

Average

1%

6.32%

How Much Do They Cost?

Undetectable AI offers a flexible subscription model tailored to your word count needs. Start with the base plan of 15,000 words for just $14.99 monthly (or 10,000 words for $5 monthly when billed annually). As your requirements grow, scale up seamlessly – all the way to 380,000 words for $209 monthly ($89.92 annually for 300,000 words).

Undetectable AI also offers a free trial of 250 words per each new account.

On the other hand, AISEO’s bypasser is free if you’re only tasking it to rewrite <120 words at a time. If you want full access to their features, they have three plans which start from $15 to $79 per month for annual billings. You could also try their premium service for one day for only a dollar.

The Final Verdict

This has been much closer than our other Undetectable AI comparison articles.

Let me say this first: Both AI bypass tools are worth your money. They do their job well, and have pretty close AI likelihood scores. They also have different pricing structures, so you should pick one that best suits your needs.

It all comes down to quality. Like I mentioned earlier, Undetectable AI’s output isn’t optimal, but it’s better than AISEO because it could be easily fixed. It also offers a lot more output customization features (use cases, readability levels, bypass balance levels), which makes it a lot more flexible as a paraphraser.

However, the biggest reason why I’m picking Undetectable AI over AISEO is simple. We’ve reviewed this bypasser a lot in the past, and they’ve earned our trust. They’re one of the best AI bypasser in the market, and our repeated tests have proven that.

There’s no right answer here. But if you’re interested in learning more about how Undetectable AI has our trust, make sure to read some of our articles like this one. Good luck!

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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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