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AI Novel Writer vs Sudowrite: catalog facts
AI Novel Writer	Sudowrite
Free Free and open source under GPL-3.0.	Freemium Can be tried for free, with paid plans listed on the pricing page.
Windows, macOS	Web
Keeps characters, worldbuilding, outlines, and chapters in one project Supports local Ollama models and online models	Tools built specifically for fiction, such as Describe and brainstorming Uses Muse, a model trained for fiction writing
Desktop apps are evidenced for Windows and macOS only	Web only, with no offline use indicated Requires an account to use
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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