There is no such thing as a publicly available reliable AI detector. They are all nothing but a borderline scam. Answer from SEOPub on reddit.com
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Copyleaks
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
Copyleaks boasts one of the largest language databases for AI content detection, supporting over 30 languages with low false-positive rates for non-native English text. Whether you’re scanning content in English, French, German, Italian, ...
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Reddit
reddit.com › r/seo › is copyleaks a reliable ai content detector?
r/SEO on Reddit: Is CopyLeaks a reliable AI content detector?
September 13, 2024 -

I make all my content writers ensure their content passes AI detection using CopyLeaks... becausse I know all of them will try to take advantage of AI to write the bulk of their content...

Now, these guys are now all telling me that the tool sucks and that even though they rewrite entire paragraphs, their content is still flagged as AI content by this tool.

What do you guys think? Should I side with my writers and ditch this tool or should I side with CopyLeaks? :)

Discussions

Is CopyLeaks a reliable AI content detector?
There is no such thing as a publicly available reliable AI detector. They are all nothing but a borderline scam. More on reddit.com
🌐 r/SEO
23
4
September 13, 2024
Is Copyleaks an reliable AI detector?
I am in the same pickle now. Either Copyleaks is ridiculously accurate, or the other ones are extremely inaccurate. How did it end for you? More on reddit.com
🌐 r/ChatGPT
73
4
May 25, 2023
ChatGPT and Copyleaks
Many of the AI-detecting systems use machine learning themselves. If that's the case, the results are not entirely deterministic, especially if passed through different UIs/APIs that might quietly mangle the input. And if you're getting different results between text and PDF input, it might also be the case that the PDFs are not as machine readable as you expect. More on reddit.com
🌐 r/AskAcademia
22
7
February 19, 2024
How do I bypass CopyLeaks AI detection?
Attention! [Serious] Tag Notice : Jokes, puns, and off-topic comments are not permitted in any comment, parent or child. : Help us by reporting comments that violate these rules. : Posts that are not appropriate for the [Serious] tag will be removed. Thanks for your cooperation and enjoy the discussion! I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com
🌐 r/ChatGPT
28
3
December 9, 2023
People also ask

How Accurate is Copyleaks AI Detector?

The likelihood of human-written content being mistakenly labeled as AI-generated is .03%—one of the lowest among AI detectors. 

We’re committed to digital trust and accuracy. To minimize false positives:

  • Our algorithms distinguish human-generated text specifically.
  • We utilize user feedback to enhance our models.
  • New model detection is only introduced after extensive testing.
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copyleaks.com
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
Does Copyleaks offer a free AI detector?

Every new user receives a limited number of free credits to explore our AI and plagiarism detection tools before committing to a paid plan.

Our Personal and Pro plans both include full access to AI detection, plagiarism checks, detailed reports, and our explainable AI Logic feature. You can find detailed pricing information on our pricing page.

For education institutions or enterprise teams that require API access, LMS integration, or customized pricing, please contact our sales team to discuss a tailored solution.

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copyleaks.com
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
How was the Copyleaks AI detection model trained?

Using AI technology, the detector can accurately recognize AI-generated text and the signals it leaves behind, adding a layer of accuracy.

Learn more about our AI Detector testing methodologies.

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copyleaks.com
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
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Chrome Web Store
chromewebstore.google.com › detail › ai-content-detector-copyl › gplcmncpklkdjiccbknjjkoidpgkcakd
AI Content Detector - Copyleaks - Chrome Web Store
Verify what content was written by a human or an AI chatbot with the AI Content Detector browser extension from Copyleaks.
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Google Workspace
workspace.google.com › marketplace › app › ai_and_plagiarism_checker_copyleaks › 484212953959
AI and Plagiarism Checker - Copyleaks - Google Workspace Marketplace
Copyleaks brings its powerful AI and plagiarism detection tools directly into Google Docs™, streamlining your writing and editing process. Instantly scan your content without leaving your document and receive clear feedback on originality.
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Copyleaks
help.copyleaks.com › hc › en-us › articles › 33816916374285-How-does-Copyleaks-AI-Detection-work
How does Copyleaks AI Detection work?
Loading · ×Sorry to interrupt · Refresh · Skip to Main Content · Help Center · Expand search · Search · Close search
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Copyleaks
app.copyleaks.com › dashboard › v1
Copyleaks: AI & Machine Learning Powered Plagiarism Checker
Copyleaks plagiarism checker is the best free online plagiarism checker tool. Contact us for any inquiries about our plagiarism detection services.
Find elsewhere
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Quetext
quetext.com › blog › copyleaks-ai-detector-review
Copyleaks AI Detector Review: Accuracy, features & comparison
October 31, 2025 - Get Copyleaks AI Detector review, exploring its accuracy, key features, and how it compares to other top AI detection tools, such as Quetext.
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Copyleaks
docs.copyleaks.com › guides › ai-detector › ai-text-detection
Detect AI-Generated Text | Copyleaks Documentation
August 2, 2025 - Detect AI-generated images with pixel-level accuracy. Our new advanced detection technology can identify AI-created content in images and provide detailed analysis. ... The Copyleaks AI Detection API is a powerful tool to determine if a given text was written by a human or generated by an AI.
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ZDNET
zdnet.com › home › innovation › artificial intelligence
I've been testing AI content detectors for years - these are your best options in 2025 | ZDNET
October 29, 2025 - If you want to test a content detector yourself using the same text blocks, you can pull them from this document. To evaluate AI detectors, I reran my five-test series across 11 detectors. In other words, I cut and pasted 55 individual tests (I had a lot of coffee). Detectors I tested include BrandWell, Copyleaks, GPT-2 Output Detector, GPTZero, Grammarly, Monica, Originality.ai, QuillBot, Undetectable.ai, Writer.com, and ZeroGPT.
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HIX Bypass
bypass.hix.ai › copyleaks
Copyleaks AI Detector - HIX Bypass
Bypass AI detection with HIX Bypass's undetectable AI tool. Make your AI- or ChatGPT-generated text undetectable for free today!
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Originality.AI
originality.ai › blog › copyleaks-ai-content-detection-review
Copyleaks AI Content Detection Review – Originality.AI
October 27, 2025 - Today’s AI writing tools rely on existing data to generate content and fail at providing meaningful insights or original ideas. So, how can you make sure the content on your site is human-written and likely to be indexed by Google? This is where Copyleaks comes to the rescue.
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Medium
medium.com › aimonks › bypass-copyleaks-ai-detection-tips-tricks-91bedb096ce5
How to Bypass Copyleaks AI Detection - An All-Inclusive Guide | 𝐀𝐈 𝐦𝐨𝐧𝐤𝐬.𝐢𝐨
June 3, 2024 - This enables it to produce authentic-sounding content that can achieve high human scores on even the most stringent AI detectors like Copyleaks. The platform can humanize AI text from any AI language model, be it ChatGPT, Claude, Jasper, or GPT-4.
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Siu
btechadmissions.sithyd.siu.edu.in › teen-movies147 › copyleaks-ai-content-detector
Copyleaks Ai Content Detector Unique Creator Media
SIT Hyderabad is the best B. Tech college offering top-notch BTech programs tailored to meet today's industry needs. Join us for exceptional engineering education.
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Stanford University
web.stanford.edu › ~jbgreen0 › music
Copyleaks AI Content Detector - 99% Accurate Detection
September 21, 2025 - The page you requested cannot be found. You may have used an outdated link or may have typed the address (URL) incorrectly. If you entered the URL manually, please check your spelling and try again · The following resources may help you locate the website you're looking for:
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Copyleaks
copyleaks.com › wp-content › uploads › 2023 › 05 › ai-content-detector-faqs.pdf pdf
AI Detector FAQs How It Works Understanding the Results
Copyleaks can detect AI-generated and reused code, even when it’s been changed. Our system · analyzes source code at the function level to identify copied, modified, or rewritten code—including · content created by large language models (LLMs) and used without proper licensing or attribution.
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Mettevo
mettevo.com › home › blog › article understanding copyleaks ai content detector what it is and why it matters
Copyleaks AI Content Detector: Accuracy & Review
September 16, 2025 - Copyleaks AI Content Detector utilizes advanced technology to detect AI-generated text and plagiarism by analyzing content across various formats, including text, code, and multimedia. Its algorithms compare content against an extensive database to verify originality.