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Smodin vs Winston AI: catalog facts
Smodin	Winston AI
Freemium Free to try, with paid plans for heavier use.	Freemium Free to start with no credit card required; paid use and sales-led plans are offered.
Web	Web
Several writing tools in one place Accepts uploaded Word, PDF and text files	Detects text from ChatGPT, Claude, Gemini and other models Plagiarism checking in the same tool
AI detection scores are estimates and can be wrong Humanizer output may conflict with school or publisher rules	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
No account 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.