Side by side
| Feature | Originality.ai | Undetectable AI |
|---|---|---|
| What it does | AI detector and content checker that flags AI-generated text and plagiarism for writers, editors, teachers and publishers. | Detects AI-generated text and images and rewrites AI writing so it reads as human, for students, writers and professionals. |
| Price from | 12.95 USD/mo | 5.00 USD/mo |
| Free plan | yes | trial |
| Platforms | web, chrome, api | web, chrome, api |
| API | yes | yes |
Originality.ai: key features
- AI text detection with sentence highlights
- Plagiarism checker
- Deep Scan with editing suggestions
- Bulk scan of multiple texts
- Chrome and Google Docs extension with writing replay
- AI detection API
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 Originality.ai or Undetectable AI better?
It depends on the job - compare prices, free plans and features in the table above.
Are Originality.ai and Undetectable AI free?
Originality.ai: Yes, there is a free plan. Basic plan with AI detection only: 3 scans per day, limit of 2,000 words per scan, file upload (docx, pdf, doc). No subscription required. Undetectable AI: There is a free trial. Free trial limited to 250 words; additional usage requires a paid plan.