Winston AI
Winston AI detects AI-generated text and images and includes plagiarism checking and other content-integrity tools.
What Winston AI is
Winston AI detects AI-generated text and images and includes plagiarism checking and other content-integrity tools. It says its detector identifies content 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 users can create downloadable, shareable reports, including printable PDFs. The homepage lists detection in 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 Chrome extension can scan highlighted webpage text and images. Winston AI presents solutions for education, SEO publishers, writers and content creators. A free plan and a 14-day trial are listed. Paid subscriptions can be canceled at the end of the paid term, but annual plans cannot be canceled during their term.
Good
- Checks text and images for AI-generated content.
- OCR extracts text from scans and handwriting.
- Reports can be shared or printed as PDFs.
- Lists detection in multiple languages.
- Offers an API and Chrome extension.
Watch out
- Free plan lists 2,000 credits per 14-day trial.
- Annual plans cannot be canceled during their term.
Who it suits
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.
Verdict
Winston AI combines AI-content detection with OCR, plagiarism checking and shareable reports. Review the credit limits and annual subscription terms before choosing a plan.
Plans and prices
From Winston AI's own pricing page, checked 15 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | AI content detection · AI image and deepfake detection · scan documents · OCR pictures and handwriting · shareable PDF reports · advanced plagiarism detection · invite team members · 2,000 credits / 14 day trial |
| Essential | $189 a month | 100,000 credits/month · AI detection · writing feedback · document and OCR scanning · PDF reports · no plagiarism in the current Essential AI plan · $10.00 $5.00 /month · $60.00/year |
| Advanced | $2,914.50 a month | 200,000 credits/month · AI detection · advanced plagiarism · image/deepfake detection · writing feedback · HUMN-1+ certification · up to 5 team members · $16.00 $8.00 /month · $96.00/year |
| Elite | $4,924.50 a month | 500,000 credits/month · AI detection · advanced plagiarism · image/deepfake detection · writing feedback · HUMN-1+ certification · unlimited team members · credit top-ups · $26.00 $13.00 /month · $156.00/year |
| Enterprise and Custom Plans | Priced on request | Custom features and implementation · enterprise-grade detection · custom integrations · dedicated support and implementation assistance · Contact sales for custom pricing |
The facts
Each one read from Winston AI's own pages, with the date it was checked.
What it does
- AI image and deepfake detection
- Image scans can identify AI-generated or manipulated images and expose forensic information such as C2PA, IPTC and EXIF data.checked 15 Oct 2026
- AI text detection
- The service analyzes text from major models including ChatGPT, Claude, Gemini and other large language models and provides sentence-level results.checked 15 Oct 2026
- Analysis
- Its AI prediction map highlights passages and provides sentence-by-sentence assessment of text.checked 3 Oct 2026
- API
- Winston offers developer APIs for AI detection, plagiarism detection, fact checking and AI image detection, with API-key authentication and published documentation.checked 15 Oct 2026
- API availability target
- The terms state a targeted API uptime of 99.9% while disclaiming liability for service interruptions.checked 15 Oct 2026
- Audience
- Winston AI presents solutions for education, SEO publishers, and writers and content creators.checked 3 Oct 2026
- Data retention
- Submitted scans remain in the account until deleted; deleted content is removed from active storage within 30 days and may remain in encrypted backups for up to 90 more days.checked 15 Oct 2026
- Data use
- Winston says it does not use identifiable submitted content to train AI models without explicit consent and does not sell submitted text or images.checked 15 Oct 2026
- Detection
- The site says its detector identifies content from ChatGPT, Claude, Google Gemini, LLAMA, and other AI models.checked 3 Oct 2026
- Developer API technology
- The developer portal describes a REST API and an MCP server that can run locally or self-hosted through npx or Docker.checked 15 Oct 2026
- Funding disclosure
- Crunchbase shows the company as private and does not expose a verifiable total funding amount on the accessible profile.checked 15 Oct 2026
- Integrations
- Official help pages list Google Classroom, WordPress and Chrome, Opera and Firefox browser extensions as integrations.checked 15 Oct 2026
- Languages
- AI text detection supports English, German, French, Dutch, Spanish, Portuguese, Italian, Polish, Indonesian, Tagalog, Chinese, Romanian, Russian, Ukrainian, Bulgarian and Azerbaijani.checked 15 Oct 2026
- License
- 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.checked 15 Oct 2026
- Limit: academic benchmark
- Fastio reported a University of Florida test measuring Winston at 75.9% accuracy on academic content versus 97.5% for Originality.ai.checked 15 Oct 2026
- Limit: G2 input length
- One G2 reviewer reported that the tool handled only about 1,500 words at once, requiring multiple submissions for longer text.checked 15 Oct 2026
- Limit: independent benchmark gap
- EyeSift reported 87–92% real-world accuracy and 8–10% false-positive rates, below Winston's 99.98% marketing claim, with weaker results on Claude text.checked 15 Oct 2026
Money
- API trial
- Developer registration includes 2,500 free credits for testing integrations.checked 15 Oct 2026
Where it runs
- Browser extension
- Winston AI describes a Chrome extension for scanning highlighted webpage text and images in the browser.checked 3 Oct 2026
- Limit: GetApp reports and URLs
- The GetApp reviewer said PDF reports lacked substance and that URL-based scanning was unavailable.checked 15 Oct 2026
The company
- Company founding
- LinkedIn lists Winston AI as founded in 2022 and privately held.checked 15 Oct 2026
- Company headquarters and size
- LinkedIn lists Montreal, Quebec headquarters and a company size of 2–10 employees.checked 15 Oct 2026
- Company legal name
- Crunchbase lists the legal name as Winston AI inc. and founder Thierry Lavergne.checked 15 Oct 2026
- Headquarters
- Montreal, Quebec, Canadachecked 28 Sep 2026
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