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Copyleaks

Updated Jun 06, 2025

Copyleaks detects AI-generated and plagiarized text with 99.12% accuracy. Use it online or via a free Chrome extension by pasting your content.

AI Categories:
Social Media
Pricing Model:
Paid, $9.99/mo

What is Copyleaks?

Copyleaks is an AI-powered tool that checks for plagiarism and AI-generated content. It helps schools, businesses, and writers find copied or AI-written text. Founded in 2015, it scans websites, papers, and articles. Plans start at \$13.99/month with multi-language and paraphrase detection. It's strong at catching basic AI content but may miss advanced human-like writing.

Key Features:

  • AI Detection: Copyleaks detects AI-generated content in over 30 languages and supports models like GPT, Gemini, and Claude.
  • Student Insights: The Overview tool shows trends in student writing, including academic dishonesty, and gives personalized feedback.
  • High Accuracy: Copyleaks offers 99% AI detection accuracy with just a 0.2% false-positive rate for dependable results.
  • Data Security: It follows GDPR and holds SOC 2 and SOC 3 certifications, keeping user data safe and private.
  • For Educators: Helps teachers find AI-written content and educates students on using AI tools responsibly.

Pros:

  • Easy to use with fast and simple plagiarism checks.
  • Highly accurate AI detection with up to 99.12% precision.
  • Supports over 100 languages for global accessibility.
  • Integrates with LMS platforms and offers API support.
  • Handles various formats like PDFs and works on cloud or web.

Cons:

  • May miss advanced AI content despite high accuracy claims.
  • Pricing may be high for students and small users.
  • Slower performance with large files during analysis.
  • Whitespace issues may cause false plagiarism alerts.
  • Some users report billing issues and poor subscription control.

Who is Using Copyleaks?

Copyleaks is used by schools and universities to check assignments for plagiarism and AI content.

Pricing:

  • AI Detector: $9.99/month for 100 credits, detects AI content in 30+ languages with 99% accuracy, includes 2 users.
  • Plagiarism Checker: $10.99/month for 100 credits, detects paraphrasing and source code plagiarism, includes 2 users.
  • AI + Plagiarism Detection: $16.99/month for 100 credits, AI + plagiarism checks in multiple languages, supports 2 users.

Disclaimer: Please note that pricing information may change. For the most accurate and current pricing details, refer to the official Copyleaks website.

What Makes Copyleaks Unique?

Copyleaks is unique for its AI-driven detection of plagiarism and AI content, support for many languages, smart paraphrase matching, and ability to scan web, files, and internal databases with high accuracy across multiple formats and devices.

Summary:

Copyleaks is used by schools and universities to check assignments for plagiarism and AI content.

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