Copyleaks AI Detector
7.2#7 in plagiarism checkersWebAPIExtensionSelf-hosted
VisitCopyleaks AI Detector vs Originality.ai
Originality.ai
7.6#3 in content optimization softwareFrom $12.95 a monthFree planWebAPIExtension
VisitWhat both publish
| Fact | Copyleaks AI Detector | Originality.ai |
|---|---|---|
| API | The developer product is a REST API returning section-level human or AI classifications, an overall summary and explanations. | The public REST API accepts scan requests and returns AI-likelihood and plagiarism results; the help page says it supports 30 languages. |
| Browser extension | Copyleaks provides a Chrome, Edge and Firefox extension for checking highlighted web content. | The extension scans Google Docs, web pages, or selected text and includes writing replay, typing behavior insights, and shareable reports. |
| Headquarters | New York, NY, United States | Collingwood, Ontario, Canada |
| Rating on Chrome Web Store | 4.1 out of 5 from 708 ratings | 3.8 out of 5 from 159 ratings |
| Rating on G2 | 4.5 out of 5 from 41 reviews | 4.4 out of 5 from 250 reviews |
| Rating on Gartner Peer Insights | 3 out of 5 from 1 review | 3.7 out of 5 from 0 reviews |
| Rating on GetApp | 4.4 out of 5 from 91 reviews | 5.0 out of 5 from 7 reviews |
Copyleaks AI Detector plans
- Personal$16.99 a month
- Personal (monthly billing)$16.99 a month
- Pro (monthly billing)$99.99 a month
- Pro$99.99 a month
- Personal (annual billing)$167.88 a year
- Pro (annual billing)$899.88 a year
Originality.ai plans
- BasicFree
- Pro$12.95 a month
- Pro (annual billing)$12.95 a month
- Pro (monthly billing)$14.95 a month
- Enterprise$136.58 a month
- Enterprise (annual billing)$136.58 a month
Pick Copyleaks AI Detector if…
Copyleaks suits students, writers, professionals and creators checking text, as well as educational institutions and enterprise teams managing detection across workflows.
Pick Originality.ai if…
Originality.ai may suit website owners, content marketers, writers, and publishers who want AI, plagiarism, or content-quality checks. Its site scanning, browser extension, and API provide different ways to review pages or text.