Choosing the right AI writing tool can be a real headache. With so many options out there promising to help you skirt detection, it’s hard to know which one is actually worth your time and money.
And if you’re trying to get your work published or avoid being flagged as AI-generated, the stakes are even higher.
As someone who’s spent way too much time testing out different platforms, I’ve learned that not all AI bypassers are created equal. That’s why today, we’re putting Undetectable AI and Humanize AI Pro head-to-head. By the end of this, you’ll know exactly which one deserves a spot in your writing toolkit.
What is Undetectable AI and Humanize AI Pro?
Undetectable AI is an AI humanization platform that can paraphrase text so that it avoids positive AI detection. Along with its paraphraser, it also has output customization features to make sure the final version fits your use case, readability, and balance level. They also have other features like their own AI detector and AI human typer.
As you may gather from their name, Humanize AI Pro is the same. They’re a bit newer compared to Undetectable AI, but their platform looks to be just as promising. It analyzes your input and then replaces words, phrases, and sentence structures with “humanized” alternatives that are less commonly used by LLMs like ChatGPT, Gemini, and Claude.
Which Writes Better?
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Kyrgyzstan, a landlocked country in Central Asia, is renowned for its stunning natural beauty and rich cultural heritage. Dominated by the towering Tien Shan mountains, over 90% of the country is mountainous, providing breathtaking landscapes of snow-capped peaks, alpine lakes, and vast pastures. Its most famous lake, Issyk-Kul, is one of the world’s largest and deepest, offering serene beauty and a popular destination for both locals and tourists. Historically, Kyrgyzstan lies at the crossroads of ancient Silk Road trade routes, contributing to its diverse cultural tapestry. The Kyrgyz people are known for their nomadic traditions, with yurts and horseback riding remaining important symbols of their identity. Since gaining independence from the Soviet Union in 1991, Kyrgyzstan has made strides toward democracy, though it still faces economic challenges as it continues to grow and develop. |
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Kyrgyzstan is a country, in Central Asia known for its scenery and cultural history richness.This nation is predominantly characterized by the Tien Shan mountains that cover than 90% of its landmass and offer stunning views of snow covered peaks and expansive meadows.There’s also the Issyk Kul lake which is renowned for its size and depth making it a beloved spot for both residents and visitors seeking tranquility, amidst natures beauty. Throughout history Kyrgyzstan has been situated at the intersections of Silk Road trading paths enriching its cultural landscape. The Kyrgyz individuals are recognized for their customs, where dwellings and horseback riding persist, as significant representations of their heritage. Following its separation from the Soviet Union in 1991 Kyrgyzstan has taken steps towards establishing a system despite encountering obstacles, in its ongoing progress and advancement. |
Kyrgyzstan is a landlocked country in Central Asia known for its breathtaking natural beauty and rich cultural heritage. The country is dominated by the towering Tien Shan mountains, with over 90% of the country being mountainous, with breathtaking landscapes of snow-capped peaks, alpine lakes, and vast pastures. Its most famous lake, Issyk-Kul, is one of the world’s largest and deepest, offering serene beauty and a popular destination for both locals and tourists. Historically, Kyrgyzstan has always been at the crossroads of the ancient Silk Road trade routes, which is part of its rich cultural tapestry. The Kyrgyz are very traditional in nomadism and yurts, riding horses on horseback is an important part of their identity. Since gaining independence from the Soviet Union in 1991, Kyrgyzstan has achieved a lot toward democracy but still faces economic challenges while developing and growing. |
There’s no hiding that Undetectable AI is a lot less polished. The text has inconsistent punctuation, with random periods breaking up sentences and lowercase-uppercase mix-ups that disrupt reading flow. Spelling is mostly intact, but the sentence structure feels choppy. Readability definitely takes a hit because of these mechanical issues.
Humanize Pro AI is the winner this round. While it’s paraphrased, it maintains near-perfect grammar and a smooth, professional tone. The sentences are well-constructed, punctuation is correct, and the overall readability is excellent. It stays incredibly close to the original text’s structure while introducing just enough variation to feel like a thoughtful rewrite.
Undetectable AI vs. Humanize AI Pro: Features
Humanize AI Pro is more barebones than most bypassers. You can switch between their free and standard humanizer, and between different use cases like academic, simple, formal, informal, expand, and shorten.
Undetectable AI’s humanizer has more features, including:
- Readability: High school, university, doctorate, journalist, and marketing.
- Use Case: Essays, articles, marketing materials, stories, cover letters, reports, business materials, or legal materials.
- Balance: More readable, more human, or balanced.
- AI Detector: Shows the average AI likelihood score of the output from GPTZero, Writer, Crossplag, Copyleaks, Sapling, Content At Scale, and ZeroGPT.
Undetectable AI vs. Humanize AI Pro: Accuracy
Test #1
Undetectable AI: Determined to be human.
AI Likelihood Score: 0%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 100%
Test #2
Undetectable AI: Determined to be human.
AI Likelihood Score: 0.7%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 99.8%
Test #3
Undetectable AI: Determined to be human.
AI Likelihood Score: 0%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 100%
Test #4
Undetectable AI: Detected as machine-generated.
AI Likelihood Score: 64.2%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 100%
Test #5
Undetectable AI: Determined to be human.
AI Likelihood Score: 0%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 100%
Test #6
Undetectable AI: Determined to be human.
AI Likelihood Score: 0%
Humanize AI Pro: Determined to be human.
AI Likelihood Score: 0.1%
Test #7
Undetectable AI: Determined to be human.
AI Likelihood Score: 0.1%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 99.8%
Test #8
Undetectable AI: Determined to be human.
AI Likelihood Score: 0%
Humanize AI Pro: Detected as machine-generated.
AI Likelihood Score: 100%
Average Score
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Undetectable AI vs. Sapling |
Humanize AI Pro vs. Sapling |
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It’s ironic that this platform is called Humanize AI Pro considering these results. 87.46% isn’t a good enough score if you’re positioning yourself as an alternative to Undetectable AI and HideMyAI — both of which continue to be at the top of their game.
Speaking of, Undetectable AI continues to be consistent enough that their outputs that were detected to be machine-generated look like outliers. If you can figure out how to fix their grammar while maintaining low AI likelihood scores, you’re good to go.
So, What Works?
Honestly, it’s a mixed bag. Undetectable AI has the edge when it comes to consistency and low detection rates, but Humanize AI Pro writes better. Then again, if you’re looking for something that can write well, just use QuillBot. There’s no point in using an AI humanizer that can’t, well, humanize AI text.
But here’s the thing: at the end of the day, these tools are designed to bypass detection, which raises some serious ethical concerns. Using AI to misrepresent your work as human-written is a slippery slope that could backfire in a big way, both for you and the platforms themselves.
My advice? Tread carefully. If you do decide to use one of these tools, make sure you’re doing so ethically. As for what works, I haven’t gone wrong with Undetectable AI, so you can be rest assured you won’t go wrong with Undetectable AI as well. Good luck!
