Sudowrite

Free tier

The non-judgmental AI writing partner built exclusively for fiction and novel writing

Free tier available·Non-technical·Powered by Sudowrite (Muse 1.5, proprietary)

Key strengths

Purpose-built for fiction and novel writing with story-aware AI (Muse 1.5)End-to-end story development from idea to full manuscript via Story BibleStyle-matching AI that writes in the author's own voiceRich toolset including Write, Rewrite, Expand, Describe, Feedback, and CanvasPlugin ecosystem with 1,000+ extensions for specialized writing tasks

Free tier + paid plans · from $10 USD/mo

San Francisco, United States

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Sudowrite is a web-based SaaS platform powered by its proprietary Muse 1.5 model — an AI built specifically for fiction. The platform integrates a suite of purpose-built writing tools (Write, Rewrite, Expand, Describe, Feedback, Brainstorm, Canvas, Visualize) into a distraction-free editor with multi-theme support. It parses user-authored content to extract character, tone, and plot arc context before generating suggestions, ensuring stylistic continuity. A plugin architecture supports 1,000+ community and first-party extensions, and the platform includes image generation capabilities via its Visualize feature for character and world-building assets.

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