Open it and write
Muze Writer is built so you can start drafting the moment you open it — no stack to configure, no prompts to tune first. The Muse is already grounded in your Story Core, so the help is specific to your book from the very first request.
It edits with you rather than handing you generic text, and it holds your register so the prose stays yours.
Everything that matters, built in
You don't give up power for simplicity. Bring-Your-Own-Model on every tier lets you choose the model behind your prose and keep your manuscript on your own key. Structured story context lives in Story Core — premise, themes, voice, cast, and outline, read by the AI on every request.
And version history keeps every draft, so you can revise boldly and restore any earlier version in a click.
Why writers choose Muze Writer
Choose Muze Writer if you want an AI-powered intelligent editor that's voice-first, multilingual (English, French, Spanish), and ready to write without setup — one that edits with you and keeps you the author. (For the wider field, see our guide to AI writing tools for novelists.)