Compare software

Winston AI vs Originality.ai: catalog facts
Winston AI	Originality.ai
Freemium Free to start with no credit card required; paid use and sales-led plans are offered.	Freemium Three free AI scans per day, with paid plans for more.
Web	Web, Browser extension
Detects text from ChatGPT, Claude, Gemini and other models Plagiarism checking in the same tool	AI detection plus plagiarism, readability and fact checks Chrome and Firefox extensions with Google Docs support
AI detection results are estimates and can be wrong Full use requires an account	Free tier is limited to three scans a day AI detection results are estimates and can be wrong
Web application	Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.