Side by side
| Feature | Turnitin | Undetectable AI |
|---|---|---|
| What it does | Academic integrity platform that detects plagiarism and AI-generated writing and supports grading and feedback for schools and universities. | Detects AI-generated text and images and rewrites AI writing so it reads as human, for students, writers and professionals. |
| Price from | not listed | 5.00 USD/mo |
| Free plan | ? | trial |
| Platforms | web | web, chrome, api |
| API | not stated | yes |
Turnitin: key features
- Plagiarism and similarity checking against large text databases
- AI writing detection and writing process analytics (Turnitin Clarity)
- Grading and feedback workflows (Feedback Studio)
- Flexible grading of paper-based work (Gradescope)
- Secure offline digital exam platform (ExamSoft)
- Originality checking for publishers and researchers (iThenticate)
Undetectable AI: key features
- Detects AI-generated text and highlights suspicious sentences
- Humanizer rewrites AI text to read more naturally
- AI image detection for checking whether a picture is AI-made
- AI audio/voice detection
- Fake PDF detection
- Chrome extension that works inside Google Docs, Gmail and web pages
FAQ
Is Turnitin or Undetectable AI better?
It depends on the job - compare prices, free plans and features in the table above.
Are Turnitin and Undetectable AI free?
Turnitin: The vendor does not state this clearly on the homepage or pricing page. Undetectable AI: There is a free trial. Free trial limited to 250 words; additional usage requires a paid plan.