False positive AI detection is no joke — just ask any student who’s been wrongly accused of using ChatGPT for their essay. One minute you’re proud of your work, the next you’re trying to prove you actually wrote it.
And yes, these things actually happen in real life.
That’s where AI humanizers come in. And when it comes to avoiding false flags, two names keep popping up: Undetectable AI and Phrasly. Both claim they can make AI-generated text fly under the radar, but let’s be real — in this game, there can only be one champion.
Is Undetectable AI about to get dethroned by the new kid on the block? Or will experience triumph over innovation? Let’s see which one really helps you avoid those frustrating false positives.
What are Undetectable AI and Phrasly?
Undetectable AI is an AI paraphrasing tool that can “detect AI written text and make AI-generated content more human” — in other words, an AI bypassing tool and a humanizer. They accomplish this by removing characteristics that AI detectors typically look for, like repetitions, monotony, and common AI words.
If you’re looking for an alternative, Phrasly is the same thing. It also creates a “humanized” version of AI-generated content using a combination of paraphrasing and removal of common AI markers. It has a free version for 300 words, but their “Pro Engine” is locked behind a paywall which can be accessed with a subscription.
Undetectable AI vs. Phrasly: Features
One of Undetectable AI’s best assets is its output customization feature. Using this, you can change how you want the final output to look depending on your use case and readability level. Here’s everything that you can customize (and your options) with Undetectable AI:
- Use Case: General Writing, Essay, Article, Business Material, Marketing Material, Legal Material, Story, Cover Letter, Report
- Readability: High School, University, Doctorate, Journalist, Marketing
- Level: Balanced, More Human, More Readable
Undetectable AI also has features like the AI Human Typer and Stealth Writer for better AI bypassing. You can also use their AI detector if you want something that aggregates scores from eight different AI detection tools at once.
On the other hand, Phrasly has less features than Undetectable AI. You do get access to three different humanization strengths (easy, medium, and aggressive) but that’s about it for their paraphrasing tool. As for other features in their platform, they have a free AI detector and a content generator.
Winner: Undetectable AI.
Undetectable AI vs. Phrasly: Output Quality
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The Spanish Latte is not merely a drink but a cultural experience, a dialectic of flavor and texture that both invites and complicates. Imagine espresso—sharp and bitter as the truth—tempered by steamed milk, but here’s the twist: sweetened condensed milk is folded in, adding a layer of rich, almost cloying sweetness that verges on indulgence. It’s like ordering a “regular” coffee, then being presented with the existential paradox of pleasure versus guilt. You sip, and there’s the warmth, the duality, the juxtaposition of the milk’s softness against the caffeine’s sting. It’s a palimpsest of tastes, the kind of drink that asks you to think not just about what you’re consuming, but why it tastes the way it does—and why that matters. |
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The Spanish Latte isn’t just a beverage; it’s a journey that plays with flavors and textures in a way that is both inviting and intricate to savor. Picture espresso – bold and bitter, like truth – mixed with milk; however the intriguing part is the addition of sweetened condensed milk which brings a touch of decadent sweetness almost teetering on indulgence. It’s akin to asking for a coffee but being confronted with the dilemma, between delight and guilt. When you take a sip of the drink and feel the comforting warmth, along with the contrasting sensations of the smoothness of milk against the sharpness of caffeine. It’s, like experiencing a blend of flavors that prompts you to ponder not the act of drinking it but to reflect on why it has its unique taste and why that holds significance. |
The Spanish Latte is more than a beverage; it’s a cultural drama, a dialectic of flavour and texture that is at once solicited and confounded. Imagine espresso – coarse-grit truth – softened by steamed milk, except that the milk’s ‘sweetener’ is folded in last, a sweetened condensed milk that’s like rich, almost-cloying-but-not-quite sweetness. It’s like you order a ‘regular’, then get served the existential paradox of pleasure-guilt. You sip, and you get: the warmth. The duality. The milk softness against the caffeine sting. It’s a palimpsest of taste, the sort of drink that asks you to think not just about what you’re drinking, but why it tastes that way – and why that matters. |
Both Undetectable AI and Phrasly tried their best to capture the essence of our original Spanish Latte essay — and honestly? They both did a decent job, just in different ways.
Undetectable AI played it safe by opting for simpler language that makes it easier to read. But in doing so, it lost some of that flair that made the original so captivating.
Phrasly, on the other hand, took more risks. It kept the original’s “stream-of-consciousness” vibe alive, even if it had to sacrifice some correctness to do it.
Now, about those errors — Undetectable AI reads like it was written by someone who just discovered commas and went a bit overboard. It’s got awkward phrases like “intricate to savor” that’ll make any editor reach for their red pen.
Phrasly isn’t perfect either — it’s got those weird hyphens that look like someone was playing punctuation jazz, and “coarse-grit truth” sounds like something you’d find in a try-hard poetry slam (that, frankly, just isn’t any good).
Winner: It’s a tie.
Undetectable AI vs. Phrasly: AI Detection
Test #1
Undetectable AI: Successfully passes as human!
AI Likelihood Score: 24.1%
Phrasly: Successfully passes as human!
AI Likelihood Score: 0%
Test #2
Undetectable AI: Successfully passes as human!
AI Likelihood Score: 0%
Phrasly: Successfully passes as human!
AI Likelihood Score: 0%
Test #3
Undetectable AI: Successfully passes as human!
AI Likelihood Score: 0.1%
Phrasly: Detected as machine-generated.
AI Likelihood Score: 100%
Test #4
Undetectable AI: Successfully passes as human!
AI Likelihood Score: 42.7%
Phrasly: Detected as machine-generated.
AI Likelihood Score: 100%
Test #5
Undetectable AI: Successfully passes as human!
AI Likelihood Score: 0.1%
Phrasly: Successfully passes as human!
AI Likelihood Score: 0%
Overall Tally
Which is Better For You?
Phrasly put up a good fight, but it’s just not as good as Undetectable AI at avoiding AI detection (yet).
The thing is, Undetectable AI has been doing this so long that their name is now synonymous with AI bypassing. We expect them to be reliable. Phrasly’s a bit newer, so a little slack is warranted.
There’s also the fact that we can’t extrapolate too much from five separate tests. Who knows? Maybe they’re better when we try 100 tests — but who has time for that? But for now, in terms of avoiding AI detection and features, Undetectable AI is the clear winner of this head to head.
That said, I highly discourage people from using these tools to cheat their way to a high grade. These exist to help you avoid false positive AI detection, and not as a supplement to popular LLMs like ChatGPT.
If you’re interested in knowing how to use these tools ethically, here’s a great article. Good luck!
