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Copyleaks

Detects AI-written text and images and finds plagiarism in 100+ languages, with LMS and API options.

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AI DetectionFreemiumWe checked the prices on copyleaks.com on 8 Nov 2026.

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What is Copyleaks?

Detects AI-written text and images and finds plagiarism in 100+ languages, with LMS and API options.

Who is Copyleaks best for?

Copyleaks is best for schools and content teams that check text for AI writing and plagiarism in one scan.

  • Schools checking assignments for AI and plagiarism

  • Publishers checking a whole site for copied text

  • Checking writing in languages other than English

How much does Copyleaks cost?

Copyleaks' AI Detector is free on its website for scans up to 25,000 characters, and paid plans with AI and plagiarism checks start at $16.99 a month for Personal.

Personal$16.99Per month
  • 100 credits a month: up to 25,000 words or 100 images
  • AI and plagiarism checks in one report, AI image detection
  • AI detection in 30+ languages, plagiarism in 100+
Pro$99.99Per month
  • 1,000 credits a month: up to 250,000 words or 1,000 images
  • Up to 25 user seats and an analytics dashboard
  • Whole-site scans from a sitemap and cross-language plagiarism

Billed yearly, Personal is $13.99 a month ($167.88 a year, 1,200 credits) and Pro $74.99 a month ($899.88 a year, 12,000 credits). One credit covers up to 250 words or one image, and extra credits can be bought at any time. Education plans are priced on full-time students and add LMS integrations such as Canvas, Moodle and Blackboard; Education, Enterprise and API access are quoted by sales. Full pricing on copyleaks.com. We checked these prices on .

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What are the best Copyleaks alternatives?

Three tools on Recaply do Copyleaks's job.

Articles about Copyleaks

One of our articles covers Copyleaks, with every price checked on the makers' own pages.

Questions about Copyleaks

What is Copyleaks?

Detects AI-written text and images and finds plagiarism in 100+ languages, with LMS and API options.

Who is Copyleaks for?

Copyleaks is best for schools and content teams that check text for AI writing and plagiarism in one scan.

Is Copyleaks free?

Partly. Copyleaks' AI Detector is free on its website for text up to 25,000 characters a scan, with no account needed. Regular AI and plagiarism checks with a monthly credit allowance start at $16.99 a month on the Personal plan.

How much does Copyleaks cost?

Copyleaks's paid plans are Personal at $16.99 per month and Pro at $99.99 per month.

What are the best Copyleaks alternatives?

The closest alternatives on Recaply are Turnitin, GPTZero and Winston AI.

Where can I try Copyleaks?

On its official website, copyleaks.com.

How accurate is Copyleaks?

Copyleaks says its AI detector is over 99% accurate with a 0.03% false positive rate, and lists results per language, such as 99.97% for human-written English. These figures come from Copyleaks' own testing and the studies it cites.