Undetectable AI’s Cowl Letter Generator, like most of their instruments, isnβt attempting to impress you with flashy language or intelligent turns of phrase. Itβs centered on one factor: serving to you get previous the primary spherical of filters β together with, typically, different AI instruments constructed to smell out whether or not you used AI within the first place.
Grammarly, then again, is greatest recognized for grammar fixes and sentence sprucing. However lately, theyβve expanded into AI detection. Meaning weβve reached an odd second the place one AI instrument is producing your job software, and one other is judging whether or not it feels βtooβ generated.
So how do these instruments stack up when utilized in the identical workflow? Letβs take a better look.Β
What’s Undetectable AI?
Undetectable AI is a instrument designed to make AI-generated content material sound human.
It focuses on rewriting content material to bypass detection instruments β those that flag overly robotic phrasing or suspiciously good grammar. The place most AI instruments purpose for velocity or tone, Undetectable AI goals for believability.

Itβs utilized by college students, entrepreneurs, freelance writers, and now, job seekers. The objective is easy: use the velocity of AI with out getting flagged for it.
Lately, it launched a characteristic particularly for individuals making use of to jobs β and thatβs the place the Cowl Letter Generator is available in.
What’s Undetectable AI’s Cowl Letter Generator?
The Cowl Letter Generator is easy. You paste in your resume, particulars in regards to the job, and perhaps a blurb or two about your expertise β and it spits out a clear, human-sounding cowl letter.
The important thing distinction is that the output is designed to keep away from sounding like AI wrote it.
The writing deliberately avoids frequent AI giveaways like βI’m thrilled to useβ¦β or βWith a confirmed observe reportβ¦β As an alternative, it leans into pure phrasing, similar to: βIβve spent the previous few years doing [X], and this position looks like the subsequent step.β
Itβs constructed with job boards and recruiters in thoughts. The form of cowl letter that gainedβt increase pink flags with AI detectors β or actual individuals.
What’s Grammarly?
Grammarly has been round ceaselessly within the web years. What began as a grammar checker is now a full writing assistant β suggesting rewrites, altering tone, and providing AI-generated content material in real-time.

However in the course of all these updates, Grammarly additionally launched one thing else: its personal AI detector.
What’s Grammarly’s AI Detector?
Grammarly’s AI Detector is precisely what it feels like β a instrument that guesses whether or not an article was AI-generated.
Itβs not tremendous detailed. You paste in your textual content and get a brief verdict, normally one thing like βSounds humanβ or βPossible AI.β
Itβs fast, and it really works okay should youβre taking a look at straight-from-ChatGPT content material. However the second that writing will get cleaned up or stylized β particularly by a humanizer like Undetectable AI β Grammarly tends to overlook.
Nonetheless, itβs constructed into the Grammarly ecosystem. So should youβre already utilizing it for modifying, itβs a simple method to double-check your individual output.
Undetectable AIβs Cowl Letter Generator vs. Grammarlyβs AI Detector
Check #1
Undetectable AI: Doesnβt cross the AI detection check.
AI Probability Rating: 100%


Check #2
Undetectable AI: Passes the AI detection check.
AI Probability Rating: 12%


Check #3
Undetectable AI: Grammarly AI Detector is confused!
AI Probability Rating: 50%


Check #4
Undetectable AI: Passes the AI detection check.
AI Probability Rating: 0%


Check #5
Undetectable AI: Passes the AI detection check.
AI Probability Rating: 25%


General Rating
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Undetectable AI vs. Grammarly AI Detector |
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The Backside Line
Undetectable AIβs Cowl Letter Generator isnβt attempting to reinvent the duvet letter. Itβs simply attempting to make it human-sounding and tailor-made β quick. And based mostly on the check scores, it does that job fairly effectively.
Grammarlyβs AI Detector, in the meantime, performs the position of gatekeeper. Itβs a little bit first rate at catching apparent AI content material, however struggles when that content materialβs been rewritten to sound extra pure, which is Undetectable AIβs forte.
For those whoβre utilizing AI that can assist you apply to jobs, this matchup issues. The very last thing you need is to get filtered out for utilizing a instrument thatβs supposed to assist.
To date? Undetectable AI is forward within the one space that counts: staying undetected. And for job seekers attempting to chop by the noise, that edge makes a distinction.





