The writing studio that preserves your voice. Structure manuscripts, chat with your characters, and finish books you're proud of.
The morning light filtered through the curtains, casting long shadows across the wooden floor. Sarah stood at the window, her mind racing with possibilities...
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Choose your model. Build outlines. Generate chapters that match your voice. Our AI writer plans before it writes, creating coherent narratives across your entire manuscript.
GPT-4o, Claude 3.5, Gemini 2.0 — pick the brain that fits your project
AI plans your chapters before writing — review, edit, then generate
Attach chapters, characters, notes — AI writes with full context
“I would feel... torn. Not between anger and sorrow, but between the sister I was and the woman I've become. Thomas knows me better than anyone. If he betrayed me, he must have believed it was the only way.”
Create AI personas for each character. Interview them. Explore their motivations. Write dialogue that sounds authentic because you've had conversations with them.
Each character speaks in their unique voice, informed by your backstory
Uncover character details you hadn't consciously planned
Find overused words, repeated phrases, and stylistic patterns across your entire manuscript. Perfect for writers who obsess over prose quality.
Scans your entire book, not just single chapters
Jump to each occurrence, replace with AI alternatives
Whether you're working on your debut novel, academic thesis, or professional essays — these tools adapt to your workflow.
Structure complex narratives across hundreds of chapters. Character agents for consistent voices. Plot hole detection.
Research integration, citation-aware writing, and argument structure analysis. Export to manuscript format.
Meet deadlines with AI assistance. Maintain quality across projects. Track session productivity.
No credit card required. Upgrade when you need unlimited books.
Perfect for getting started
Everything you need to finish your book
Join writers who've discovered a new way to work. Start free, no credit card required.