Everything You Need to Write Your Book
From first idea to finished manuscript - AI-powered writing tools that understand story craft
7-Step AI Writing Wizard
A guided journey from blank page to complete manuscript
25+ Genres
Fantasy, Romance, Mystery, Thriller, Sci-Fi, Horror, and more with smart defaults
AI Premise Generation
Generate unique story concepts based on your genre, themes, and tropes
Real-Time Streaming
Watch your content generate live with streaming previews
Advanced Prose Style System
Go beyond simple tone settings. Control every dimension of your writing style.
6 Writing Registers
Emotional Tones
Reader Experience Goals
World Building & Characters
Create rich, consistent worlds and complex characters with AI assistance
World Building
- AI-generated settings and time periods
- Multiple locations with descriptions
- Magic systems for fantasy
- Technology levels for sci-fi
- World rules and unique aspects
- Genre-specific customization
Character Creation
- Full profiles: name, age, role, backstory
- Psychology profiles with contradictions
- Emotional triggers and coping mechanisms
- Character arcs and motivations
- Relationship mapping between characters
- Streaming AI generation preview
Outline & Chapter Writing
Structure your story and write chapters with unprecedented context awareness
Smart Chapter Calculation
Auto-calculates chapter count based on genre and target page count
Detailed Outlines
Titles, summaries, key events, and cliffhangers for each chapter
Streaming Generation
Watch your chapters write in real-time with live preview
1M Token Context
Maintains continuity across your entire manuscript
Series Management
Write multi-book series with consistent characters, worlds, and story arcs.
Your connected series
AI Editing Suite
Polish your manuscript with comprehensive AI-powered editing tools
Editorial Review
Full manuscript analysis with chapter-by-chapter feedback on plot, pacing, and character development
Chapter Revision
AI-powered rewrites with streaming preview. Apply editorial feedback automatically.
Final Polish
Publication readiness assessment. Quality check and final recommendations.
Export & Publishing
Professional formatting ready for self-publishing
Proper page breaks, headings, and submission-ready formatting
AI Model Flexibility
Choose from any model on OpenRouter. Bring your own API key and control your costs.
Frequently Asked Questions
What makes FictionAI different from other AI writing tools?
FictionAI offers a complete 7-step wizard from idea to finished manuscript, advanced prose style customization with 6 writing registers, series management for multi-book authors, and up to 2M token context windows for maintaining continuity across your entire book.
How does the 7-step wizard work?
The wizard guides you through: 1) Starting a new project, 2) Generating your premise and title, 3) Building your world, 4) Creating characters with psychology profiles, 5) Outlining chapters with key events, 6) Writing chapters with AI assistance, and 7) Exporting your finished book.
What genres does FictionAI support?
We support 25+ genres including Fantasy, Romance, Mystery, Thriller, Science Fiction, Horror, Historical Fiction, Young Adult, and more. Each genre has smart defaults for POV, tense, tone, and genre-specific options like heat levels for romance or magic systems for fantasy.
Can I use my own AI models?
Yes! FictionAI uses a Bring Your Own Key (BYOK) model. You provide your OpenRouter API key and pay them directly for AI usage. Choose from 10+ models including Claude, GPT-4o, Gemini, and specialized NSFW models for Pro users.
How does series management work?
Create multi-book series with three types: Sequential (connected story), Standalone (same universe), or Mixed. Track character arcs across books, maintain consistent world-building, and manage overarching story arcs that span your entire series.
Ready to Write Your Book?
Start free with 5 books. No credit card required.