WritingPaid Released January 2015

Copyleaks

AI content and plagiarism detection with source-code checks and LMS integrations.

Visit Copyleaks From $9.99/mo; enterprise and education pricing

Quick verdict

Best for
Universities and schools
Pricing
From $9.99/mo; enterprise and education pricing
Not ideal if
Same false-positive caveats as every detector

What is Copyleaks?

Copyleaks detects AI-generated text and plagiarism across 100+ languages, with source-code plagiarism checks, an AI grader, and integrations for Canvas, Moodle, and Google Classroom. It publishes its accuracy claims and is widely used by universities and enterprises.

Key features

  • AI detection across 100+ languages
  • Plagiarism with paraphrase detection
  • Source-code plagiarism (Codeleaks)
  • LMS and API integrations
  • Reports that highlight AI and copied passages

Pros

  • Multilingual coverage most detectors lack
  • Code detection is rare and useful
  • Strong institutional integrations

Cons

  • Same false-positive caveats as every detector
  • Credit-based pricing
  • Enterprise features gated

Best for

Universities and schoolsEnterprises checking multilingual contentCoding courses

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