Write complete books with AI assistance — not just outlines or snippets, but full manuscripts ready for publishing. Characters, world-building, chapters, editing, and export in one tool for $9.99/month.
No credit card required • 5 books free • Then $9.99/month
A complete book writing studio, not just a text generator
From blank page to finished manuscript. The wizard guides you through premise, world, characters, outline, and chapter generation.
Write with Claude Opus 4.5, GPT-4o, Gemini 2.0, or specialized models. Choose the best AI for each stage of your book.
AI-generated settings, locations, magic systems, tech levels, and world rules. Rich, consistent universes for any genre.
Full character profiles with psychology, motivations, contradictions, and emotional triggers. Characters that feel real.
Write multi-book series. Track characters, worlds, and story arcs across sequential, standalone, or mixed series.
Export to DOCX, EPUB, PDF, or Markdown. KDP-formatted and ready for Amazon, IngramSpark, or any platform.
Purpose-built for book writing, not adapted from a chatbot
| Feature | FictionAI | ChatGPT | Sudowrite |
|---|---|---|---|
| Full Book Generation | — | ||
| Character Tracking | — | — | |
| World Building | — | — | |
| Series Support | — | — | |
| KDP Export | — | — | |
| Multi-Model Choice | — | — | |
| BYOK Pricing | — | — | |
| NSFW Support | — |
BYOK pricing — no credit markups. Save 70% vs Sudowrite.