Copyleaks review

Copyleaks combines AI-content detection with plagiarism checking. Its tools cover text, code, images and video, with use cases for schools, businesses and individual writers. The AI text detector supports 30+ languages and checks for content from models including ChatGPT, Gemini and Claude. The plagiarism checker searches journals, websites, documents and code in 100+ languages.

The platform also offers image and video detection, code plagiarism checks, and integrations for learning management systems and business workflows. For organizations, Copyleaks positions these tools as part of academic integrity, intellectual-property compliance and generative-AI governance. That is a broader remit than a standalone AI-text detector, but the product list alone does not tell us how reliable each detector is. Users on Reddit describe disputed AI and similarity scores, so we would treat a score as a signal to review, not proof of misconduct.

The appeal is breadth: one platform covers AI detection and plagiarism checks across several content types, with education and enterprise options beyond individual use. The pricing page lists integrations with major learning platforms on the Education plan, including Canvas, Moodle, Blackboard and D2L Brightspace. Pro adds website scans through a sitemap, cross-language detection and an analytics dashboard.

For individuals and small teams, the paid plans spell out credit allowances:

• Personal costs $16.99 month to month or $13.99 per month with annual billing paid upfront. It includes 100 monthly credits, listed as up to 25,000 words or 100 images; annual subscribers get 1,200 credits, up to 300,000 words or 1,200 images per year.
• Pro costs $99.99 month to month or $74.99 per month billed annually. It includes 25 user seats and 1,000 monthly credits, listed as up to 250,000 words or 1,000 images. Annual subscribers get 12,000 credits, up to 3 million words or 12,000 images per year.

Those published allowances make it easier to estimate text and image volume before signing up. One-time credit purchases are also available, according to the pricing page.

The main caution is score confidence. In one Reddit thread, students report citations, templates, names and ordinary assignment text contributing to similarity scores; commenters also describe AI-writing flags on work they say they wrote themselves. In an r/SEO thread, a marketer says Copyleaks marked a manually written blog as 100% AI and stayed there after edits. These are user reports, not controlled tests, but they make a strong case against treating a detector result as a verdict.

The credit caps also matter if you scan frequently. Personal tops out at 100 monthly credits, or 1,200 per year on annual billing; Pro includes 1,000 monthly or 12,000 annual credits. The listed word and image equivalents are maximums, not a published allowance for every content type. Enterprise pricing is custom, and Education pricing depends on full-time student count; neither has a public price in the published pricing details. No free plan is listed, and trial availability is not published. Extra seats beyond Pro’s 25 and one-time credits may add to the bill.

Copyleaks starts at $16.99/month with monthly billing or $13.99/month with annual billing, paid upfront. The listed annual rate is about 25% lower. There is no free plan, and free-trial terms are not published.

Personal includes 100 monthly credits, equivalent to up to 25,000 words or 100 images. Pro jumps to $99.99/month, or $74.99/month with annual billing—about 5.9 times the Personal monthly rate. Pro includes 25 seats and 1,000 monthly credits, equivalent to up to 250,000 words or 1,000 images. Extra seats are available, but their price is not published.

Enterprise pricing is custom. Education is custom-priced based on full-time student count. One-time credit purchases are available, but their rates are not published. These credit caps make usage worth checking before you commit to an annual upfront payment.

Treat a move to Copyleaks as integration work, not just account setup. The listed plans include a browser extension, Google Docs add-on and MCP access on Personal; Pro adds website scans via sitemap. Education lists integrations with Canvas, Moodle, D2L Brightspace and other LMS platforms, while Enterprise offers API workflows. Map the connections and permissions your team relies on before switching; migration or import tools are not described in the published materials.

Data portability is also unclear. The materials do not say whether reports, detection history, settings or unused credits can be exported or retained after cancellation. Ask Copyleaks for those terms before moving an institutional or team archive. Enterprise hosting options include private cloud or on-premises setups, but that does not establish an export path.

We can’t substantiate Reddit-driven reasons for leaving because no Reddit posts or comments were supplied. The provided verdict flags score disputes and credit limits as cautions. Treat detection scores as signals, not proof, and check whether the caps fit your use before moving either way.