
Winston AI
AI content detector for text and images, built for educators.
About
Winston AI detects AI-generated text and images, aimed at educators, publishers, and institutions that need to verify authorship. Its 5.0 release reports 99.87% accuracy on a 12,000-document in-house evaluation and zero false positives on the public PERSUADE 2.0 student-essay benchmark, with sentence-level highlighting, plagiarism detection in the same scan, and OCR for PDFs and images.
Hundreds of thousands of users rely on it, and Chrome/Opera extensions let teachers scan text right on the page. Caveats: vendor benchmarks are self-reported, the free plan is limited to 2,000 words/month, and like all detectors it should inform judgment, not replace it.
What it can do
- AI text detection with sentence-level map
- AI image detection with forensics analysis
- Plagiarism detection in the same scan
- PDF and image OCR scanning
- Chrome/Opera extensions and API access
Setup
- Create a free account at gowinston.ai (no credit card).
- Paste text or upload a document on the dashboard and run a scan.
- Review the Human Score, AI prediction map, and flagged sentences.
- Optionally install the Chrome extension to scan pages in place.
Prerequisites
Free account; 2,000 free words/month on the free plan.
Use cases
Works with
Trust score — 8/10
Scored 8/10 (verified tier, metrics-v1). Evidence: 5.0 release, public benchmark results, API available; vendor benchmarks self-reported; free 2,000 words/mo; freemium. License: Proprietary freemium.
How the trust score is built
Full methodology →- Adoption · stars/downloads, log-scaled vs peers
- 8.0/10
- Maintenance · recency, releases, issue load
- 9.0/10
- Openness · license + docs
- 4.0/10
- Manual review · sanity read + red-flag check
- 8.0/10
- · 5.0 release, public benchmark results, API available
- · vendor benchmarks self-reported; free 2,000 words/mo
- · freemium
Sources
Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.