WINNOWR vs Winston AI
WINNOWR
github.com
Winston AI
gowinston.aiSide by side
| Figure | WINNOWR | Winston AI |
|---|---|---|
| Price from | — | $5/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 0 | 8 |
| Spec score · Plagiarism Detection Software | 6.7 (#27) | 8.5 (#12) |
| Audience | Longsight presents Winnowr as academic-integrity software for institutions, with a focus on plagiarism detection and reviewable evidence. | Winston AI presents solutions for education, SEO publishers, and writers and content creators. |
| Integrations | The production-style runtime uses SQLite, Cloudflare Queues, and Cloudflare R2. | Official help pages list Google Classroom, WordPress and Chrome, Opera and Firefox browser extensions as integrations. |
| License | The repository is licensed under GNU AGPLv3. | Winston AI terms describe the software, source code and site content as proprietary and grant only a limited personal license, so it is not open source. |
| Purpose | WINNOWR is a CPU-first web-source detection engine for student writing and other long-form text. | Winston AI detects AI-generated text and images and offers plagiarism checking and other content-integrity tools. |
| Reports | Reports include index overlap, source URLs, and highlighted suspicious spans. | Users can generate downloadable, shareable reports, including printable PDF reports. |
Plans
Winston AI
- FreeFree
- Essential$60 a year
- Advanced$96 a year
- Elite$156 a year
- Essential$189 a month
- Advanced$2,914.50 a month
- Elite$4,924.50 a month
- Enterprise and Custom PlansPriced on request
In their own words
Winston AI
Winston AI checks text and images for AI-generated content and provides plagiarism checking and other content-integrity tools. Its detector identifies material from ChatGPT, Claude, Google Gemini, LLAMA, and other AI models. Users can paste text or upload DOCX, PNG, and JPG files; OCR extracts text from scans, pictures, and handwriting. An AI prediction map highlights passages and assesses text sentence by sentence, and reports can be downloaded or shared as printable PDFs. The homepage lists detection in 16 languages, including English, French, Spanish, German, Portuguese, Dutch, Polish, Italian, Romanian, Indonesian, Tagalog, Russian, Bulgarian, and simplified Chinese. Integration options include a Chrome extension, Google Classroom, WordPress, Zapier, and an API; the extension scans highlighted webpage text and images. Plans include a free option and a 14-day trial. Paid pricing starts at $10/mo billed annually; listed annual plans cost $60.00 USD, $96.00 USD, and $156 a year. Paid scans support up to 200,000 characters each. Annual subscriptions cannot be canceled during their term.