Copyleaks
A tool for detecting plagarized or AI-generated content
Copyleaks is one of the most popular services for the detection of plagiarized and AI-generated content. As such, it is capable of detecting the “work” of OpenAI (GPT) and Google (Bard) across multiple languages.
Once you provide the Copyleaks with the content you want to check, it will return a precise probability score of AI-generated content and highlight specific elements written by a human and those written by AI. What’s more, it can also detect AI content that has been paraphrased.
You can either manually submit content to Copyleaks or use its API and integrate it into your own apps.
Speaking of integrations, the tool can be easily added to Learning Management Systems (LMS) to empower learning and error-free writing while “keeping everything you need in one convenient place.”
Or you can fire it up while browsing the web by installing the Copyleaks Chrome extension.
Copyleaks is used by many major websites and services, including SEMRush, Medium, emdentum, and Edgenuity.
Categories Detection
Video Overview ▶️
What are the key features? ⭐
- AI content detector: Copyleaks claims to be the only enterprise solution that keeps you informed about what content was written by a human or generated by AI, including GPT-4 and Bard.
- Plagiarism detector: The company's plagiarism detection capability helps you identify potential plagiarism, detect AI-generated content, and more. With the provided API, Copyleaks can be integrated into existing Learning Management Systems (LMS).
- Gen AI governance: Copyleaks lets you confidently navigate generative AI and prevent potential data leaks with a full suite of enterprise-level protection.
- AI grader: The solution for quickly and accurately assessing tens of thousands of standardized tests at the state, national, and university levels.
- Multi-language support: Copyleaks goes beyond English and is capable of detecting AI-generated content in multiple languages.
Who is it for? 🤔
Like any other AI detection tool, Copyleaks found its clients among teachers and educators, marketers, content creators, and academic institutions. It helps them manage the content production process by making sure all their work is written by humans rather than machines. This, in turn, ensures the quality of the service while helping students advance, even if they don't know it (or don't appreciate it at the moment).
Examples of what you can use it for 💭
- Detect AI-generated content across the board
- Make sure the content produced is plagiarism-free
- Encourage students (and everyone else) to think for and rely on themselves more
- Use AI in the process of grading students' essays and open-ended questions
Pros & Cons ⚖️
- Works in multiple languages
- Chrome extension can be handy for quick checks
- API lets companies integrate AI detection in their own apps
- As an enterprise-level service, Copyleaks isn't cheap
FAQs 💬
What is Copyleaks, and who should use it?
Copyleaks is an AI-powered platform that checks for plagiarism and detects AI-generated content in text, code, or images. It works great for students ensuring essays are original, educators grading assignments, or businesses protecting their content from copying. If you’re dealing with writing integrity, it’s a solid pick, though it shines most in education and enterprise settings.
How accurate is Copyleaks at detecting AI-generated text?
It claims over 99% accuracy for spotting AI from models like ChatGPT or Gemini, backed by third-party studies on English texts. Tests show it nails pure AI content well, but it might flag human writing as AI sometimes, especially non-native English. I think it’s reliable enough for most checks, just pair it with your own review.
Does Copyleaks detect plagiarism in multiple languages?
Yes, it scans for plagiarism in over 100 languages, like Spanish or Chinese, and AI detection covers 30+. That makes it handy if your work spans global sources, though cross-language matches can take a bit longer to process.
What file types and content does Copyleaks support?
It handles text docs, PDFs, code files like Python or Java, and even images for AI alterations. You can upload directly or use integrations like Google Docs. Limits depend on your plan, but it’s flexible for essays, code repos, or blog posts.
How much does Copyleaks cost, and is there a free trial?
Plans start at $13.99/month for Personal (up to 25,000 words), $74.99 for Pro, and custom for Enterprise or Education. No free trial, but you get some free scans to test. It’s affordable for individuals, might add up for heavy users though.
Can I integrate Copyleaks with other tools or platforms?
Absolutely, it plugs into LMS like Canvas or Moodle, Google Docs add-ons, and APIs for custom workflows. That’s a big plus for teachers or teams wanting seamless checks without switching apps.
What are the main limitations of Copyleaks?
It can have false positives on human text, like flagging old essays as AI, and paraphrased AI sometimes slips through. Also, credits roll over monthly but expire if unused. Probably best not to rely on it alone for high-stakes decisions.
How does Copyleaks compare to alternatives like Turnitin or Grammarly?
It edges out on AI detection accuracy per recent tests, with better multilingual support than Grammarly. Turnitin is stronger for pure plagiarism in academia, but Copyleaks adds image and code checks. Pick based on your focus, I’d say it’s top for mixed AI-plagiarism needs.
Is Copyleaks secure for sensitive documents?
Yes, it’s GDPR and SOC 2/3 compliant, with options for private cloud storage in Enterprise plans. Your uploads stay encrypted, which reassures schools or companies handling confidential stuff.
Can Copyleaks help with code or image plagiarism too?
It does, scanning code for matches in repos like GitHub and images for AI edits at pixel level. Useful for developers or designers, though accuracy dips a tad on heavily modified visuals.
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Last update:
November 24, 2025
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