AIHumanize.io Review: Can It Really Beat AI Detectors?
Is AIHumanize.io really as effective as it claims? Is it worth your time and money?
In this review, we’ll put it to the test to see how well it humanizes AI-generated text and if it truly bypasses detection tools.
Keep reading to find out if it’s the right choice!

What Is AIHumanize.io?
AIHumanize.io is an online tool designed to transform AI-generated content into human-like text.
Its platform claims to make AI text undetectable by leading AI detection tools like Turnitin, GPTZero, Copyleaks, and more.
The tool supports over 30 languages and offers specialized rewriting styles for different contexts, including academic papers, blog posts, business emails, and technical documents.
Why Do We Do This Test?
Let’s be real—most people using AI for writing these days aren’t trying to cheat the system; they just want their text to sound less stiff and more like something they’d actually say.
Tools like AIHumanize.io promise to do exactly that: keep your content authentic while flying under the radar of strict AI detectors.
According to its website, AIHumanize.io claims to “transform AI content into natural, human-like writing that bypasses all AI detection.” It even lists specific detectors it can handle—Turnitin, GPTZero, Copyleaks, ZeroGPT, Quillbot, Writer, Sapling, and Originality.ai.
That’s a big promise. The question is, does it actually deliver on that?
Testing AIHumanize.io
Methodology Explanation
Here’s the step-by-step breakdown of how we tested AIHumanize.io:
Create the base text.
We started by using ChatGPT to generate a short, 100% AI-written paragraph. No edits or rewrites were made at this stage.Run it through AIHumanize.io.
The original text was then processed by AIHumanize.io to see how well it could make the content sound human and natural.Check AI detection results.
We tested the “humanized” version across five leading AI detectors—GPTZero, Originality.ai, Turnitin, Copyleaks, and ZeroGPT—to see how detectable it was.Evaluate grammar and fluency.
Using Grammarly, we reviewed the writing quality to check grammar, tone, and clarity.Re-test after grammar fixes.
Finally, we made the text grammatically perfect and ran it through the same AI detectors again. This helped us find out if AIHumanize.io intentionally adds small imperfections to fool AI checkers.
Testing Text
Topic: The Role of Technology in Modern Education
Words: 162 words
Humanized by AIHumanize.io

Test Results: How Well Did AIHumanize.io Perform?
After completing the humanization, we ran the final version through five major AI detectors to see how convincing the text really was. Here’s how it scored across each platform:
AI Score After AIHumanize.io Humanized
AI Detector | Detected as AI |
|---|---|
Quillbot | 8% AI |
Originality.ai | 18% AI |
ZeroGPT | 38% AI |
GPTZero | 100% AI |
Writer | 0% AI |
What the Results Show?
At first glance, the results look pretty encouraging. AIHumanize.io managed to bring the AI score down significantly on most detectors, especially Writer and Quillbot, where the text appeared almost completely human. Even Originality.ai showed a much lower score than expected, which suggests the tool does a decent job at reshaping sentence flow and word choice.
However, not everything came out perfect. ZeroGPT and GPTZero still flagged the writing as AI-generated—especially GPTZero, which caught it right away. This tells us that while AIHumanize.io can help bypass some detectors, it’s not bulletproof across the board.
How Good Is the Quality of AIHumanize.io?
We wanted to dig a bit deeper into how AIHumanize.io impacts not just AI detection scores, but also the overall writing quality. For this, we turned to Grammarly, a trusted tool to check grammar, readability, and overall quality.
1. Overall Score, Grammar & Quality
We ran the humanized text through Grammarly, and the result was a 93/100 score. Not too bad! This shows that the text is grammatically sound and easy to read, with only a few minor issues here and there.
Grammarly flagged things like missing commas, unclear phrases, and a couple of unnecessary words. These aren’t huge problems, but they’re enough to slightly affect the overall quality.
So, does this impact the AI score? Let’s find out.
2. Accept Grammarly's Suggestions
Curious about how fixing those minor issues would affect the writing, we decided to accept all of Grammarly’s suggestions. This improved the score from 93 to a perfect 98/100.
After making those changes, we ran the revised version through the AI detectors again to see if the adjustments influenced the AI detection results.
3. AI Detection Scores After Grammarly Improvements
Here’s a comparison of how the AI detection scores changed after we made the grammar corrections:
AI Detector | Before Grammarly Improvements | After Grammarly Improvements |
|---|---|---|
Quillbot | 8% AI | 26% AI |
Originality.ai | 18% AI | 88% AI |
ZeroGPT | 38% AI | 50% AI |
GPTZero | 100% AI | 100% AI |
Writer | 0% AI | 0% AI |
The results show that accepting Grammarly’s suggestions didn’t change things much for Writer or GPTZero—the scores remained the same. Similarly, ZeroGPT and Quillbot showed only minor shifts.
But the big surprise came with Originality.ai, where the AI detection score shot up from 18% to a whopping 88% after the grammar fixes. This jump suggests that Originality.ai might be more sensitive to grammar adjustments than the other detectors we tested.
Why is this the case?
It seems that the humanizing process introduced some minor, typical human errors to trick detectors. But, surprisingly, fixing those errors made the content stand out more to Originality.ai—showing that while adding small errors can help some detectors, it’s not a guaranteed hack for all systems.
How User-Friendly Is AIHumanize.io?
User-friendliness is key, and AIHumanize.io makes it easy with a clean, straightforward interface.
You don’t need to register to start using it, as a 200-word free trial is available, though it’s not enough to test it on a full-length article. The tool’s response time isn’t the fastest, but it generally delivers the humanized text within about 10 seconds.
AIHumanize.io offers several modes, allowing you to adjust the writing style based on your needs. Whether you're aiming for a general, academic, blog, or formal tone, the tool adapts to fit different requirements.

AIHumanize.io Pricing
AIHumanize.io offers both free and paid plans. The free plan gives you access to a 200-word trial to test the service, but for those needing more, the paid plans offer varying levels of word allowances.
Paid plans start at $6/month for 15,000 words, with higher tiers offering up to 50,000 words for $10/month and unlimited words for $20/month. Paid plans include additional features like larger word limits per request, Autopilot Pro mode, AI detector support, and private rewriting models.

The Best Alternative to AIHumanize.io
Why stick with just one option when other tools offer similar—or even better—features? One solid alternative worth exploring is EssayDone.
What Is EssayDone Humanizer?
EssayDone Humanizer functions similarly to AIHumanize.io, quickly transforming AI-generated text into something that reads like it was written by a human.
EssayDone claims a solid 80% success rate on the first rewrite, with even better results possible through multiple revisions.

What Makes EssayDone a Strong Alternative?
1,000 Free Words: You can test an entire article without committing to a subscription upfront.
20+ Models for Various Readability Levels: Whether it’s a letter, blog post, or essay, EssayDone has templates for all kinds of writing.
Fewer Grammatical Errors: It provides smoother text with fewer issues, reducing the need for post-editing.
EssayDone Turnitin Detector: Before submission, EssayDone offers an AI report to check how your text stands up against AI detectors like Turnitin.
Summary
So, we took a deep dive into AIHumanize.io, testing how effective it humanizes AI text. It does the job, but it’s not flawless—some detectors still catch it.
If you want another option, EssayDone might be up your alley with its free trial and extra features.
Hope this gives you a clearer idea of what works best for you!
