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ZeroGPT vs Winston AI: catalog facts
ZeroGPT	Winston AI
Free The AI detector is offered free on the website.	Freemium Free to start with no credit card required; paid use and sales-led plans are offered.
Web	Web
Free AI text detection in the browser Also checks images and video for AI generation	Detects text from ChatGPT, Claude, Gemini and other models Plagiarism checking in the same tool
AI detection results are estimates and can be wrong Text is sent to an online service	AI detection results are estimates and can be wrong Full use requires an account
Web application	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.