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Quetext vs Winston AI: catalog facts
Quetext	Winston AI
Freemium A free option and a free Chrome extension, with fuller features on paid plans.	Freemium Free to start with no credit card required; paid use and sales-led plans are offered.
Web, Browser extension	Web
Plagiarism and AI detection in one place Citation generator and grammar checker included	Detects text from ChatGPT, Claude, Gemini and other models Plagiarism checking in the same tool
AI detection results are probabilistic and can be wrong Text is checked on Quetext's servers	AI detection results are estimates and can be wrong Full use requires an account
Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account 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.