Originality.ai
7.6#3 in content optimization softwareFrom $12.95 a monthFree planWebAPIExtension
VisitOriginality.ai vs Winston AI
Winston AI
7.5#5 in ai content detectorsFrom $189 a monthFree planWebAPIExtensionSelf-hosted
VisitWhat both publish
| Fact | Originality.ai | Winston AI |
|---|---|---|
| API | The public REST API accepts scan requests and returns AI-likelihood and plagiarism results; the help page says it supports 30 languages. | Winston offers developer APIs for AI detection, plagiarism detection, fact checking and AI image detection, with API-key authentication and published documentation. |
| Browser extension | The extension scans Google Docs, web pages, or selected text and includes writing replay, typing behavior insights, and shareable reports. | Winston AI describes a Chrome extension for scanning highlighted webpage text and images in the browser. |
| Company legal name | Crunchbase lists the legal name as Originality.AI Inc. | Crunchbase lists the legal name as Winston AI inc. and founder Thierry Lavergne. |
| Headquarters | Collingwood, Ontario, Canada | Montreal, Quebec, Canada |
| Integrations | Originality.ai offers a Moodle integration for reviewing submitted work for AI-generated text and plagiarism within Moodle. | Official help pages list Google Classroom, WordPress and Chrome, Opera and Firefox browser extensions as integrations. |
| Notable news | LinkedIn announced an Originality.AI MCP server launch in October 2026 for ChatGPT and Claude workflows. | Winston announced its 5.0 detector on September 24, 2026, reporting 99.87% internal accuracy and perfect classification on the cited Chicago Booth benchmark. |
| Rating on Chrome Web Store | 3.8 out of 5 from 159 ratings | 4.8 out of 5 from 19 ratings |
| Rating on G2 | 4.4 out of 5 from 250 reviews | 4.4 out of 5 from 13 reviews |
| Rating on GetApp | 5.0 out of 5 from 7 reviews | 4.0 out of 5 from 1 review |
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
Winston AI plans
- FreeFree
- Essential$189 a month
- Advanced$2,914.50 a month
- Elite$4,924.50 a month
- Enterprise and Custom PlansPriced on request
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.
Pick Winston AI if…
Winston AI may suit educators, SEO publishers, writers and content creators who want to check text or images for AI-generated content or plagiarism. Its browser extension and integrations may fit users working with webpages or the listed services.