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QuillBot
quillbot.com › ai-content-detector
AI Detector & AI Checker - Detect ChatGPT, GPT-5 & Gemini Text
Know exactly which part of the text appears to be AI-generated ... QuillBot’s AI Detector analyzes patterns to estimate the likelihood that a text is human written or AI generated.
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QuillBot
quillbot.com › home › quillbot’s ai detector: the best ai detector
QuillBot’s AI Detector: The Best AI Detector
July 1, 2025 - Precise, comparative analysis: AI Detector will identify exactly which sentences were flagged as AI-generated, AI-refined, or human-written, leaving you to easily compare how much AI content your documents contain. Multilingual support: Detect AI content across multiple languages. Detect AI and compare results for quicker, more informed decisions—so you scale your output, not your workload. TipUpgrade to Premium to take advantage of the bulk upload feature. QuillBot’s AI Detector currently supports six languages: English, French, Spanish, German, Dutch, and Portuguese.
Discussions

How accurate is quill Bot Ai detector ?
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🌐 r/ChatGPT
36
4
April 1, 2024
Quillbot ai detector
Quillbot's hit or miss tbh. sometimes it just swaps words and still sounds robotic. I've had better luck with walter writes ai, feels more like it's rephrasing how a real person would talk, not just thesaurusing stuff. More on reddit.com
🌐 r/ChatGPT
11
3
May 7, 2025
Does using Quillbot make your work detectable for AI or plagiarism?
lecturers have said that student’s putting in their own work into plagiarism detectors can get flagged on turnitin. Technically true: you have to check what rights you are giving up by putting your work into free detectors - like some AI programmes they might keep your work in a database. If that database is shared with turnitin or other plagiarism software then it might flag your essay as plagiarised, because it's coming up as similar to the work you've inadvertently deposited in the free detector. I don't believe that Grammerly or Quillbot have an agreement with turnitin so in this case you're probably fine; however, you shouldn't need to use them to detect plagiarism. You wrote the essay, so you know if it's plagiarised or not. If you quote someone else, then put in quote marks and give a citation; otherwise use your own words, don't rely on stuff like grammerly to write it for you, and you'll be fine. More on reddit.com
🌐 r/UniUK
56
8
June 6, 2024
AI DETECTION TOOLS ARE DRIVING ME NUTS
This is why i dont apply anymore when i submit my test and they say it's getting flagged by AI and that they would give me a chance to correct it. I dont use AI when the job post says no AI but if it's flagging my sample it's gonna flag my work all the time and I dont have any interest in editing that over and over again. AI detectors do not work. More on reddit.com
🌐 r/copywriting
97
122
July 17, 2024
People also ask

Is QuillBot free?
Yes, QuillBot is free to use. You can access AI tools, like the Paraphraser, Grammar CheckerAI DetectorAI HumanizerSummarizerCitation Generator, and Translate, completely free. · For access to even more tools and higher word limits, you can create a QuillBot Premium account.
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quillbot.com
quillbot.com › home › is quillbot ai detector accurate?
Is QuillBot AI Detector accurate?
What is QuillBot used for?
Students and professionals use QuillBot to strengthen their writing and boost productivity. QuillBot is a suite of AI tools that help you write better, smarter, and faster. These tools include: · Grammar Checker, which reviews your text for grammar, spelling, and punctuation errors and suggests improvements · Paraphraser, which rephrases text to make sure you have the right vocabulary, tone, and style for any context · Summarizer, which condenses documents down to the key points without losing the original meaning · Citation Generator, which automatically creates citations in over 1,000 differ
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quillbot.com
quillbot.com › home › quillbot’s ai detector: the best ai detector
QuillBot’s AI Detector: The Best AI Detector
How do you use AI detectors?
To use AI detectors, you should follow these best practices: · Learn how AI detectors work. It’s important to recognize their limitations and consider their findings as one piece of data instead of definitive evidence. · Understand how to recognize AI writing on your own. Being aware of the words, phrases, and structures that are typical of AI writing will help you evaluate AI detector results more effectively. · Be transparent about use and expectations. Communicate what role AI should play in academic, editorial, or professional contexts and outline your standards for using AI detection tool
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quillbot.com
quillbot.com › home › how do ai detectors work? | techniques & accuracy
How Do AI Detectors Work? | Techniques & Accuracy
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Reddit
reddit.com › r/chatgpt › quillbot ai detector
r/ChatGPT on Reddit: Quillbot ai detector
May 7, 2025 -

I have two essays due and I was wondering if anyone else has had similar issues with quillbot

Since it’s an important essay I’m checking if it’s ai generated but I do this in chunks of 200 words because if I put in the whole paragraph it always says no ai detected

Should I trust it when I put it in full paragraph or in parts ?

I try to change the bits marked by ai but sometimes it just says that my edits make the rest of it sound like ai instead of just saying no ai was used n getting worried cus I made a small change n it went from 20% to 60% n I was like wtf 😭😭

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QuillBot
quillbot.com › ai-writing-tools
Free AI Writing Tools - QuillBot AI
Explore QuillBot · Paraphrasing Tool · Paragraph Rewriter · Sentence Rewriter · Summarizer · AI Detector · Plagiarism Checker ·
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QuillBot
quillbot.com › home › how do ai detectors work? | techniques & accuracy
How Do AI Detectors Work? | Techniques & Accuracy
November 27, 2024 - AI detectors should be one tool in your toolbox for determining if writing was produced by AI. You can also use plagiarism checkers, verify citations, and read the text critically yourself. For example, if you use QuillBot’s AI Detector, review the different flagged sections of text with a critical eye, and consider putting the text through Plagiarism Checker as well.
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QuillBot
quillbot.com › home › is quillbot ai detector accurate?
Is QuillBot AI Detector accurate?
July 21, 2025 - QuillBot’s AI Detector demonstrates high accuracy in differentiating AI-generated and human-written text.
Find elsewhere
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Medium
medium.com › @imhimanshu › is-quillbot-ai-detector-accurate-131d45c30bda
Is QuillBot AI Detector Accurate? | Medium
April 29, 2025 - So yeah, QuillBot is decent but not the best. If you need a serious check (like for publishing or college), go for Originality.ai or GPTZero. Here’s who might get the most out of QuillBot’s detector:
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QuillBot
quillbot.com › home › how to use an ai detector & when you should
How to Use an AI Detector & When You Should
August 5, 2025 - QuillBot’s free AI Content Detector offers a detailed report that differentiates between AI-generated and AI-refined text, which can help you understand more clearly how a document was created.
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QuillBot
quillbot.com › technology-behind-ai-detector
The Technology Behind Our AI Detector | How It Works - QuillBot AI
Our AI Detector is built on a custom model architecture designed to detect text generated by ChatGPT, Gemini, Claude, and other AI platforms.
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GPTZero
gptzero.me › news › quillbot-review
Quillbot AI Content Detection Review: How Accurate is it?
October 14, 2025 - When you input text into Quillbot's AI detector, it compares the content to a vast database of known AI writing styles and models. The tool then evaluates whether the writing follows patterns consistent with AI-generated text or exhibits qualities ...
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PCWorld
pcworld.com › home › feature › software feature
I tried 4 AI detection tools and they were (mostly) disappointing | PCWorld
April 30, 2025 - QuillBot’s AI content detector tool is trained with advanced algorithms to identify repeated words, awkward phrases, and unnatural flow, which are key indicators that the content is AI-generated.
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QuillBot
quillbot.com › ai-humanizer
Humanize AI: Free AI Humanizer Tool - QuillBot AI
Simplistic detection tools look ... QuillBot’s Humanize AI tool helps you produce high-quality, nuanced, and authentic text for everyday communications like emails, social posts, and blogs....
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BeLikeNative
belikenative.com › home › is quillbot’s ai detector trustworthy? we tested it against other ai checkers
Is Quillbot AI Detector Trustworthy? We Tested It Against Others
August 10, 2025 - QuillBot AI Detector, launched in July 2024, is designed to classify text like AI-generated, human-written, and hybrid content. It achieves an 80% accuracy rate, but struggles with mixed AI-human texts and short inputs under 80 words.
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QuillBot
quillbot.com › home › cultural bias and ai detection
Cultural Bias and AI Detection
August 9, 2024 - A recent study reveals flaws in AI detection, especially for English language learners. QuillBot's new AI detector addresses these problems.
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Fahim AI
fahimai.com › humanizer › quillbot › how accurate is quillbot ai detector 2024: how well does it work?
How Accurate is Quillbot AI detector 2024: How Well Does It Work?
November 19, 2025 - The detector analyzes tone, vocabulary diversity, and how ideas flow throughout the text to spot anything that feels too mechanical. Whether I’m reviewing an essay for originality or improving my writing style, it can help me do my assignments ...
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Scribbr
scribbr.com › home › best ai detector | free & premium tools tested
Best AI Detector | Free & Premium Tools Compared
November 18, 2024 - QuillBot’s free AI Detector is quick and easy to use; You can paste in text or upload a file to test it immediately. The information provided is clear: the tool gives a percentage likelihood for text it considers to be AI-generated.
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YouTube
youtube.com › watch
Is Quillbot AI Detector Accurate? Quillbot Vs Turnitin AI Detector - YouTube
Is Quillbot AI Detector Accurate? A comparative video on Quillbot Vs Turnitin AI Detector Hixbypass: https://hix.ai/?ref=nwzjmgj (Discount code DrRizwana).....
Published   June 29, 2025
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Originality.AI
originality.ai › blog › quillbot-ai-content-detector-review
QuillBot AI Content Detector and Paraphrase Plagiarism Review – Originality.AI
October 26, 2025 - QuillBot is an artificial intelligence paraphrasing tool, that also offers its own built-in AI content detection software. QuillBot offers several tools, which include a paraphraser, grammar checker, plagiarism detector, summarizer tool, and ...