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Undetectable AI vs HideMyAI: Which Hides AI Writing Better?

The demand for a way to bypass AI detection tools grows more with each passing day. Undetectable AI and HideMyAI are a valiant effort to fill this void but they both have their fair share of flaws. So, which one should you invest in?
Updated September 14, 2023

Change is constant — and it’s never been more apparent than with technology and its accessibility. Just the past two years, the world has been rocked by the emergence of AI tools such as ChatGPT, Bard, Midjourney, and more.

One of the primary reasons these tools are so prominent is their accessibility. Most of these tools offer a free, toned-down version of their services which, in itself, is still powerful and prone to abuse, especially in academe. A recent survey shows that 30% of college students admit to using ChatGPT for schoolwork.

To weather the storm, professors use software such as Originality, TurnItIn, and ZeroGPT to detect AI generated content. However, these platforms have their share of false positives, which reflect poorly on the implementation of these AI detection tools.

On the other side of the coin, there have also been several attempts at creating software that can humanize AI content and bypass detection tools. For example, Undetectable AI and HideMyAI. The only question is: How viable are they actually?

Undetectable AI vs. HideMyAI:

  1. Quick Summary: Undetectable AI offers more diverse output types, but can sometimes struggle with punctuation. HideMyAI allows more customization like point of view and AI generator adjustments and is multilingual, but its outputs can sometimes sound less formal or academic than desired. It doesn't struggle with punctuation nearly as much.
  2. Pricing & Decision: Both tools have scalable pricing based on word count and payment plans. While Undetectable AI is preferred for its consistent writing and information retention, HideMyAI is better for casual writing and offers multilingual support. Both tools promise not to be flagged as AI content.

An Overview of Undetectable AI and HideMyAI

Undetectable AI and HideMyAI are tools designed to turn AI-generated text into something that reads more human-like. They accomplish this by rewriting the content and removing certain AI markers that detectors flag like watermarks and repetition.

To use these platforms, all you need to do is paste your AI generated content into it, tweak the output parameters depending on your preference, and wait. All it takes is a few seconds until you get a completely rewritten text which you can submit as your next assignment or post to your blog.

But, you’re not here for a history lesson — you’re here to see which one of these tools are better at transforming your content. So, without further ado…

Undetectable AI vs. HideMyAI: Comparison of Features

Before we dive into their outputs, let’s first have a quick look at Undetectable AI and HideMyAI’s features.

Similarities

The biggest similarity between these two tools is output customizability. They won’t just rewrite your text — they’ll do so according to the parameters you set.

HideMyAI and Undetectable AI Customization: Parameters

Both tools allow you to tweak the output’s readability and type. For the former, you can choose between options like high school, college, and doctorate while, for the latter, you have essays, articles, cover letters, and more.

As far as accessibility, both tools are straightforward and user-friendly. They also offer a free trial with limited credits so you can try their product out without subscribing to a plan.

Lastly, both products also offer money-back guarantee if anything they output are flagged as AI-generated.

Differences

At a glance, there doesn’t seem to be much difference between HideMyAI and Undetectable AI. However, once you explore their websites more, you’ll find some key differences that might make you lean towards one tool over the other.

For instance, both platforms have some output customization that the other doesn’t. Undetectable AI offers a more diverse type selection than HideMyAI including stories, reports, and business and legal material.

On the other hand, HideMyAI not only allows you to change the purpose and reading level — they also allow you to tweak the text’s POV and AI generator. Moreover, HideMyAI will also re-generate their output if they get flagged by an AI detection tool.

Lastly, HideMyAI is also multilingual. It can analyze and tweak inputs in the following languages: English, Spanish, Russian, and French.

Undetectable AI vs. HideMyAI: Output Comparison

There are some tools that you just can’t compare by browsing their feature set — AI text rewriters included. So, to complete this comparison, I’m going to conduct a side-by-side testing of their outputs and see which one provides a better written and more human-like version of an AI-generated content.

To begin, we’ll need a control variable. And what better tool is there to use than the most popular AI generator, ChatGPT?

I asked ChatGPT to give me a college level paragraph about entropy. We’ll use this text to test Undetectable and HideMyAI’s general writing, essay, and article rewriting capabilities. Later on, I’ll also ask ChatGPT to generate a different text for the cover letter.

To avoid confusion, HideMyAI’s output will always have a black text and white background while Undetectable AI’s result will have a grey text and black background.

General Writing

Let’s see how well these two stack up in general writing. To retain the essence of the original ChatGPT prompt, I also set the reading level parameters to undergraduate level. Here are the results:

Undetectable AI vs. HideMyAI: General Writing Comparison

To be honest, I’m quite disappointed — but for different reasons. HideMyAI’s output doesn’t match the undergraduate level parameter I had set. It starts off with “a really big idea” but, personally, I wouldn’t use words like “really” or “very” in college level discussions. It would’ve been better to say “a significant idea” but, in a way, using “really” can trick AI detectors. 

HideMyAI also struggled in transforming high-level content that contain long sentences, as evident in the sentence “more entropy means more disorder and less useful info and this things so key for getting processes from heat transfer to compressing data.” At some point, HideMyAI stopped making sense and the output became more messy.

I wouldn’t say that Undetectable AI’s output is good, but I prefer it to HideMyAI. It makes more sense and doesn’t lose the spirit of the original prompt. That said, Undetectable AI struggles with properly putting punctuation marks. Sometimes, it puts a comma where it’s not needed (“Entropy is a concept, in both thermodynamics and information theory”) and removes where it’s unnecessary (“In thermodynamics it describes [...]”)

Essay

Let’s move on to the essay comparison. Since these are essays, I expect the outputs to be more formal and academic.

Unfortunately, HideMyAI fails to meet my expectations. Their output doesn’t sound like an essay at all. It still uses intensifiers like “really” and “super.” You can also spot non-academic phrases like “in a bunch of” and “all kinds of.” The silver lining is that I can understand the transformed text better compared to their general writing output.

Undetectable AI’s output is far from perfect — but it’s significantly better than HideMyAI. The only thing I’d change is still the placement of commas. Other than that, I’d be happy to submit Undetectable AI’s text as an assignment.

Article

This is the first output type where I received wildly different results from HideMyAI and Undetectable AI. The former expanded on the idea in the original prompt, while the latter just tweaked the content so it’d sound more like a blog article section. So, how did they do?

I applaud HideMyAI’s attempt at expanding the input. It provides some examples that I think are appropriate for the topic. However, I think most of the additional content are fillers like “Kinda cosmic” and “entropy is rad” which doesn’t even make sense. It’s also unlike any article I know, which made me scratch my head — instead, it sounds more like a conversation than written content.

On the other hand, Undetectable AI’s output suffers from the same pitfalls as the ones before but it’s passable as an article.

Cover Letter

Before I begin with the comparison, I asked ChatGPT to give me a cover letter for an actuary applicant. This is what I got:

Undetectable AI vs. HideMyAI: Control Variable, ChatGPT-Generated Cover Letter

Next, let’s plug that into HideMyAI and Undetectable AI, then wait for the results.

Undetectable AI vs. HideMyAI: Cover Letter Comparison

I prefer HideMyAI’s cover letter because it sounds more human. A few changes, including changing the tone to be more confident and adding some missing apostrophes, and that’d be good to go. And please, for the love of God, stop using the word “really” for every output!

Personally, I don’t like Undetectable AI’s output because it still sounds like a machine wrote it — something that businesses have a keen eye for. You’re going to have a tough time landing a job if this is your cover letter.

Undetectable AI and HideMyAI: Price Breakdown

The cost of Undetectable AI depends on two things: how many words per month you need and your payment option. If you want to pay monthly, the price starts at $9.99 per month for 10,000 words and scales up to $209 for 380,000 words. If you prefer their annual payment option, it ranges from $5 per month for 10,000 words to $104.42 for 380,000 words.

Undetectable AI Pricing

Similarly, HideMyAI’s pricing also depends on your payment plan and words per month. For monthly payment, it starts at $8.25 per month for 10,000 words to $145.20 per month for 200,000 words. Annual option begins at $5 per month for 10,000 words and stops at $88 per month for 200,000.

HideMyAI Pricing

Don’t want to subscribe to a plan? HideMyAI offers an alternate pricing option called “Pay As You Go” wherein you’ll pay $2 for every 1000 words.

The Final Verdict

There’s something to be said about both Undetectable AI and HideMyAI.

As a technical writer, I personally prefer Undetectable AI.

Sure, it’s not perfect — but it modifies AI-generated content in a way that doesn’t remove or change any important information. I also find it to be a more consistent writer than HideMyAI.

However, if you need something that sounds casual, HideMyAI’s your best bet. It doesn’t do as well with academic texts but, if you need an email or a cover letter, it’s a quick way to change ChatGPT content to sound more human-like. It’s also handy if you need to tweak content written in Spanish, Russian, and French.

No matter which one you pick — one thing’s for sure: you most likely won’t get flagged as AI using either of these tools.

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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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