Freedom251 › Plagiarism Detection Software
Winston AI

What Winston AI is
Winston AI detects AI-generated text and images and includes plagiarism checking and other content-integrity tools. 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 16 languages, including English, French, Spanish, German, Portuguese, Dutch, Polish, Italian, Romanian, Indonesian, Tagalog, Russian, Bulgarian and simplified Chinese. Options include a Chrome extension, Google Classroom, WordPress, Zapier and an API. The Chrome extension scans 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, with paid plans from $10/mo billed annually. The company says submitted content is not used to improve its models or capabilities.
Who it suits
Winston AI suits educators, SEO publishers, writers and content creators who need AI-content detection, plagiarism checking or shareable reports. Its file uploads, OCR and browser extension offer several ways to submit content for analysis.
What it does well
- Detects text and images from multiple named AI models.
- OCR extracts text from scans, pictures and handwriting.
- Provides downloadable, shareable reports, including PDFs.
- Lists detection support in 16 languages.
- Free plan and 14-day trial are available.
What to know first
- Annual plans cannot be canceled during their term.
- Paid plans limit scans to 200,000 characters each.
- Paid plans start at $10/mo billed annually.
Limits
The Free plan lists 2,000 credits. Paid plans list up to 200,000 characters per scan; the comparison also lists unlimited scans per hour for paid plans.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | 2,000 credits / 14 day trial · AI content detection · AI image and deepfake detection · scan documents · OCR pictures and handwriting · shareable PDF reports · advanced plagiarism detection · invite team members | Free |
| Essential | $10.00 $5.00 /month · $60.00/year · 100,000 credits/month · AI detection · writing feedback · document and OCR scanning · PDF reports · no plagiarism in the current Essential AI plan | $189 a month |
| Advanced | $16.00 $8.00 /month · $96.00/year · 200,000 credits/month · AI detection · advanced plagiarism · image/deepfake detection · writing feedback · HUMN-1+ certification · up to 5 team members | $2,914.50 a month |
| Elite | $26.00 $13.00 /month · $156.00/year · 500,000 credits/month · AI detection · advanced plagiarism · image/deepfake detection · writing feedback · HUMN-1+ certification · unlimited team members · credit top-ups | $4,924.50 a month |
| Enterprise and Custom Plans | Contact sales for custom pricing · Custom features and implementation · enterprise-grade detection · custom integrations · dedicated support and implementation assistance | On request |
As gowinston.ai lists them, read 15 Oct 2026. The maker's own page has the final word.
Getting started
- Open https://gowinston.ai/.
- Choose the free plan or review the Essential, Advanced and Elite annual plans.
- Use the web service to paste text or upload a DOCX, PNG or JPG file.
- For browser scanning, use the Chrome extension to scan highlighted webpage text or images.
- For connected workflows, review the listed Google Classroom, WordPress, Zapier and API options.
Winston AI is a content-integrity service for checking AI-generated text and images, plagiarism, and scanned documents. It fits educators, SEO publishers, and writers who need multilingual analysis and evidence they can share. The main choice is whether its broad workflow support justifies recurring credit quotas and annual-plan commitments.
Overview
Winston AI combines AI-content and image detection with plagiarism checking, OCR, writing feedback, and reporting. It accepts pasted text as well as DOCX, PNG, and JPG files, so it can handle ordinary documents alongside photographs, scans, and handwriting. That range makes it more practical for schools, editorial teams, and creators dealing with mixed source material than a text-only checker.
The service is based in Montreal, Quebec, Canada. It says submitted content is not used to improve its models or capabilities and that it is GDPR compliant. Stripe processes payment data, while Winston AI says sensitive payment information is not stored on its servers. Support is offered by email and chat, with [email protected] provided for contact.
Key features
The detector is designed to identify material from ChatGPT, Claude, Google Gemini, LLAMA, and other AI models. Its AI prediction map highlights passages and provides sentence-by-sentence assessment, giving a reviewer specific places to inspect rather than only a single document-level result. Those signals can focus follow-up, but they still require a person to judge context and authorship.
OCR extracts text from scans, pictures, and handwriting. Users can generate downloadable, shareable reports, including printable PDF reports, which suits classroom records, editorial review, or handing findings to a client. Paraphrase detection and advanced plagiarism detection add a second integrity check beyond AI probability.
The homepage lists detection in 16 languages: English, French, Spanish, German, Portuguese, Dutch, Polish, Italian, Romanian, Indonesian, Tagalog, Russian, Bulgarian, and simplified Chinese. A Chrome extension scans highlighted webpage text and images. Google Classroom, WordPress, Zapier, and API integrations make it easier to place scans inside education, publishing, or automated workflows. Batch scanning is supported, and paid plans allow up to 200,000 characters per scan with unlimited scans per hour.
Pricing
A free plan costs nothing, billed at $0.00/year. It includes 2,000 credits for a 14-day trial, AI content and image detection, email and chat support, document and OCR scanning, shareable PDF reports, advanced plagiarism detection, team invitations, and credit top-ups. It is a useful way to assess the workflow, but the credit allowance is small for regular screening.
Essential costs $60 a year, billed $60.00/year, and supplies 100,000 credits per month. It adds writing feedback while retaining detection, OCR, PDF reports, advanced plagiarism detection, support, team invitations, and top-up credits. This is the sensible individual or small-volume tier; the annual billing requires accepting a full-year term.
Advanced costs $96 a year, billed $96.00/year, with 200,000 credits per month, advanced plagiarism detection, writing feedback, PDF reports, HUMN-1+ certification, top-up credits, and up to five team members. It suits a small team needing more capacity and certification. Elite costs $156 a year, billed $156.00/year, and raises the allowance to 500,000 credits per month with unlimited team members and the same major features. It is aimed at larger organizations rather than occasional users.
Enterprise and Custom Plans use custom pricing and include custom features and implementation, enterprise-grade detection, custom integrations, and dedicated support and implementation assistance. Winston AI advertises paid access from 10 /mo and a 14-day trial. Subscriptions can be canceled, but cancellation takes effect at the end of the paid term; annual plans cannot be canceled during their term. That makes monthly flexibility important to confirm before committing.
Platforms
Winston AI is offered through the web, an API, and a browser extension. The Chrome extension scans selected webpage text and images, while integrations with Google Classroom, WordPress, and Zapier support connected workflows. Paid users also get batch scanning and the stated 200,000-character scan ceiling.
Who it's for
Educators can combine multilingual AI detection, plagiarism checks, OCR, Classroom integration, and shareable PDFs for documented reviews. SEO publishers and content teams benefit from batch processing, WordPress or Zapier connections, and API access. Writers and creators get image and text checks plus writing feedback. It is less suitable for light, infrequent use if the paid annual commitment or monthly credit quotas outweigh the need for OCR and formal reporting.
Pros and cons
Pros
- Broad input support: DOCX, PNG, JPG, scans, photos, and handwriting are covered through uploads and OCR.
- Actionable reporting: Sentence-level assessment, highlighted passages, and shareable PDF reports support documented decisions.
- Workflow reach: Web, API, Chrome, Classroom, WordPress, Zapier, and batch scanning suit institutional processes.
- Multilingual scope: Detection spans 16 listed languages.
- Privacy assurances: Winston AI says content is not used for model improvement and describes GDPR compliance.
Cons
- Credit ceilings: Each paid tier has a monthly allowance, so sustained high-volume work may require top-ups or a larger plan.
- Annual lock-in: Annual subscriptions cannot be canceled during their term.
- Small free allowance: The free plan's 2,000 credits and 14-day trial are better for evaluation than ongoing use.
- Human review remains necessary: Prediction maps and sentence scores direct attention but do not establish authorship by themselves.
Alternatives
TrustOriginality.ai is a better fit for users wanting Android and iOS access and low-cost monthly multimodal options. AI Detectors.io suits those seeking a forever-free tier with daily credits and desktop platforms, though it has no free trial. ContentDetector.org is the straightforward free choice for basic detection and a short text-converter limit.
GPTZero is worth considering for a free 10,000-word monthly allowance and an annual Essential tier. It's AI offers a free browser-based entry with file uploads and deep scans. Originality.ai fits buyers wanting a no-subscription basic option with daily scans and document uploads. AI Detector Pro is an alternative for users prioritizing humanization alongside detection. AI-Content Detector ML is the simplest choice when completely free, local browser analysis is the priority.
For broader comparisons, see AI Content Detectors, AI Content Detection Software, Plagiarism Detection Software, and AI Detection Software.
Verdict
Choose Winston AI if you need one service for multilingual AI and image detection, plagiarism checking, OCR, integrations, and shareable evidence. Its strongest case is a school, publishing operation, or creator workflow that will use those capabilities regularly. Look elsewhere if you need occasional scans, a very small budget, or the freedom to end an annual subscription early.
Verdict
Winston AI combines text and image detection with plagiarism checking, OCR and shareable reporting. Its free plan and trial provide an entry point, while paid-plan terms and scan limits are worth reviewing.
Questions
Is there a free plan?
Yes. The Free plan is listed at $0.00 per year and includes 2,000 credits.
How much do paid plans cost?
Essential is $60 a year, Advanced is $96 a year and Elite is $156 a year. The pricing note lists paid access from $10/mo billed annually.
Which platforms and integrations are listed?
Platforms are API, extension and web. Integration options include the Chrome extension, Google Classroom, WordPress, Zapier and an API.
What can Winston AI scan?
Users can paste text or upload DOCX, PNG and JPG files. OCR extracts text from scans, pictures and handwriting; the Chrome extension can scan highlighted webpage text and images.
Can subscriptions be canceled?
Subscriptions can be canceled, with cancellation taking effect at the end of the paid term. Annual plans cannot be canceled during their term.
What does Winston AI say about submitted content and payments?
The company says submitted content is not used to improve its models or capabilities. Stripe processes payment data, and Winston AI says it does not store sensitive payment information on its servers.
Facts from Winston AI's own pages
- 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. · chromewebstore.google.com, 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. · help.gowinston.ai, 15 Oct 2026
- Analysis
- Its AI prediction map highlights passages and provides sentence-by-sentence assessment of text. · gowinston.ai, 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. · gowinston.ai, 15 Oct 2026
- API availability target
- The terms state a targeted API uptime of 99.9% while disclaiming liability for service interruptions. · gowinston.ai, 15 Oct 2026
- API trial
- Developer registration includes 2,500 free credits for testing integrations. · gowinston.ai, 15 Oct 2026
- Audience
- Winston AI presents solutions for education, SEO publishers, and writers and content creators. · gowinston.ai, 3 Oct 2026
- Browser extension
- Winston AI describes a Chrome extension for scanning highlighted webpage text and images in the browser. · gowinston.ai, 3 Oct 2026
- Company founding
- LinkedIn lists Winston AI as founded in 2022 and privately held. · ca.linkedin.com, 15 Oct 2026
- Company headquarters and size
- LinkedIn lists Montreal, Quebec headquarters and a company size of 2–10 employees. · ca.linkedin.com, 15 Oct 2026
- Company legal name
- Crunchbase lists the legal name as Winston AI inc. and founder Thierry Lavergne. · crunchbase.com, 15 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. · help.gowinston.ai, 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. · help.gowinston.ai, 15 Oct 2026
- Detection
- The site says its detector identifies content from ChatGPT, Claude, Google Gemini, LLAMA, and other AI models. · gowinston.ai, 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. · dev.gowinston.ai, 15 Oct 2026
- Funding disclosure
- Crunchbase shows the company as private and does not expose a verifiable total funding amount on the accessible profile. · crunchbase.com, 15 Oct 2026
- Headquarters
- Montreal, Quebec, Canada · gowinston.ai, 28 Sept 2026
- Integrations
- Official help pages list Google Classroom, WordPress and Chrome, Opera and Firefox browser extensions as integrations. · help.gowinston.ai, 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. · help.gowinston.ai, 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. · gowinston.ai, 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. · about.fast.io, 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. · g2.com, 15 Oct 2026
- Limit: GetApp reports and URLs
- The GetApp reviewer said PDF reports lacked substance and that URL-based scanning was unavailable. · getapp.com, 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. · eyesift.com, 15 Oct 2026
Where Winston AI stands on Freedom251
- Plagiarism Detection Software#17 of 28
- AI Content Detection Software#29 of 45
- AI Content Detectors#17 of 25
- AI Detection Software#22 of 30
