iThenticate
6.1#21 in plagiarism checkers$125 one-timeWebAPI
VisitiThenticate vs Originality.ai
Originality.ai
7.6#3 in content optimization softwareFrom $12.95 a monthFree planWebAPIExtension
VisitWhat both publish
| Fact | iThenticate | Originality.ai |
|---|---|---|
| API | API access is available only for organizational accounts and requires contacting an iThenticate account sales representative. | The public REST API accepts scan requests and returns AI-likelihood and plagiarism results; the help page says it supports 30 languages. |
| Headquarters | Oakland, California | Collingwood, Ontario, Canada |
| Integrations | iThenticate supports Crossref Similarity Check and its search targets can include Crossref content. | Originality.ai offers a Moodle integration for reviewing submitted work for AI-generated text and plagiarism within Moodle. |
iThenticate plans
- Single$125, paid once
- Multiple$300, paid once
- OrganizationPriced on request
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 iThenticate if…
You want what its maker publishes above — check its page for the details.
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.