Best Winston AI Alternatives in 2026
Updated
20 apps from plagiarism detection software ranked against Winston AI on the same published basis.
- 1Winston AI vs Plagium
- 2Winston AI vs Noplag
- 3Winston AI vs SmallSEOTools Plagiarism Checker
- 4Winston AI vs PlagiarismCheck.org
- 5Winston AI vs Originality.ai
- 6Winston AI vs DupliChecker
- 7Winston AI vs Plagiarisma
- 8Winston AI vs PlagiarismDetector.net
- 9Winston AI vs Quetext AI Detector
- 10Winston AI vs DrillBit
- 11Winston AI vs Pangram
- 13Winston AI vs iThenticate
- 14Winston AI vs GPTZero
- 15Winston AI vs Scribbr Plagiarism Checker
- 16Winston AI vs JPlag
- 17Winston AI vs Copyleaks AI Detector
- 18Winston AI vs Dolos
- 19Winston AI vs Noplag Engine
- 20Winston AI vs Plag.ai
- 21Winston AI vs Copyscape
Winston AI alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Plagium | 8.9 | Free plan | Free | Android, iOS, Web |
| 2 | Noplag | 7.9 | Free plan | $9.99/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | SmallSEOTools Plagiarism Checker | 7.6 | Free plan | $7.84/mo | API, Browser, Web |
| 4 | PlagiarismCheck.org | 7.4 | No | — | API, Browser, Web |
| 5 | Originality.ai | 7.4 | Free plan | $12.95/mo | API, Browser, Web |
| 6 | DupliChecker | 7.2 | No | $9.99/mo | API, Web |
| 7 | Plagiarisma | 7.2 | Free plan | Free | Web, Windows |
| 8 | PlagiarismDetector.net | 6.9 | No | $9.99/mo | API, Browser, Web |
| 9 | Quetext AI Detector | 6.9 | Free plan | $7.99/mo | API, Browser, Web |
| 10 | DrillBit | 6.8 | No | — | Web |
| 11 | Pangram | 6.8 | Free plan | $1.67/mo | API, Browser, Web |
| 13 | iThenticate | 6.7 | No | — | Web |
| 14 | GPTZero | 6.7 | Free plan | $8.33/mo | API, Browser, Web |
| 15 | Scribbr Plagiarism Checker | 6.6 | No | — | Web |
| 16 | JPlag | 6.3 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 17 | Copyleaks AI Detector | 6.2 | No | $1.17/mo | API, Browser, Web |
| 18 | Dolos | 6.2 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 19 | Noplag Engine | 6.1 | Free plan | $9.99/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 20 | Plag.ai | 6.0 | No | — | Web |
| 21 | Copyscape | 5.8 | No | — | Web |
Make your app an alternative to Winston AI
See the priceThe sponsored alternative slot on this page is labelled and never changes the order above.
Questions about Winston AI alternatives
What is the best alternative to Winston AI?
Plagium, number 1 in plagiarism detection software with a score of 8.9 out of 10. The others here: Noplag, SmallSEOTools Plagiarism Checker, PlagiarismCheck.org and 16 more.
What is the best free alternative to Winston AI?
Plagium is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.