An AI-Powered Writing Studio
Where Stories Find
Their Structure
No 5 Writer™ combines expert editorial coaching with genre-specific structural frameworks — giving your story the guidance it deserves from first draft to final page.
Named after the Underwood No. 5 — the first “visible writing” machine.
The Craft
Everything a writer needs
AI Editorial Team
Six expert AI personas guide your writing at every stage — from acquiring editor to script consultant, each trained for fiction, nonfiction, and screenwriting.
Genre Frameworks
Structural templates spanning fiction, nonfiction, and screenwriting — from mystery novels to feature film action scripts, each with its own beat sheet.
Writing Studio
A three-panel workspace with your structure on the left, manuscript or screenplay in the centre, and AI coaching on the right. Voice dictation, AI text cleanup, auto-save, and a Focus mode for distraction-free writing.
Book Proposal Generator
AI-powered query letters, synopses, and full nonfiction proposals — generated from your manuscript data and ready for agents and publishers.
Export
Download your manuscript as DOCX or your screenplay as industry-standard PDF — formatted for agents, publishers, and producers.
Flexible AI Credits
Buy credit packs when you need more AI coaching messages without changing your plan.
Your Editorial Team
Six experts. One project.
Each AI persona brings a distinct editorial lens to your work — the same perspectives that shape novels at traditional publishing houses and scripts in development rooms.
Acquiring Editor
Evaluates premise strength, market positioning, and narrative potential
Developmental Editor
Guides story structure, character arcs, pacing, and thematic coherence
Copy Editor
Refines prose at the sentence level — voice, rhythm, word choice, clarity
Literary Agent
Assesses marketability, generates query letters and book proposals, comp titles, and submission strategy
Beta Reader
Provides honest reader reactions — engagement, confusion, emotional impact
Script Consultant
Guides visual storytelling, dialogue subtext, scene construction, and screenplay format conventions
How It Works
From idea to manuscript
Choose Your Genre
Select from genre frameworks spanning fiction, nonfiction, and screenwriting — each with a beat-by-beat structural template grounded in how published books and produced scripts are built.
Build Your Story
An AI-guided onboarding process helps you refine your premise, develop your characters, and map your story’s structure. Your words, your idea, your story.
Write With Guidance
Your AI editorial team coaches you chapter by chapter or scene by scene, always aware of your outline, characters, and what you’ve already written. Dictate, draft, and clean up your prose with built-in tools.
Prepare Your Proposal
Generate a professional book proposal with query letters, synopses, and market analysis, all powered by your manuscript data. Export manuscripts as DOCX, screenplays as PDF.
Genre Templates
Built for how stories actually work
Genre frameworks spanning fiction, nonfiction, and screenwriting — each with structural templates, act breaks, key beats, and scene-by-scene scaffolding.
Screenwriting
The Writing Studio
Three panels. Complete visibility.
Your outline, your manuscript, and your AI coach — all visible at once. Collapse any panel for a distraction-free experience.
Structure
Manuscript
Chapter One: The Discovery
The letter arrived on a Tuesday, slipped beneath the door of Eleanor's flat like a secret unwilling to keep itself. She might have missed it entirely — she often did, stepping over the small accumulations of post — had it not been for the colour of the envelope: a deep, arterial red…
AI Coach
Dev. Editor
Strong opening image. Consider grounding Eleanor's emotional state before the letter arrives…
Common Questions
Frequently Asked Questions
Does the AI write my book for me?
No. Every word in your manuscript is yours. No 5 Writer’s™ AI plays the same roles a human editorial team would: a developmental editor who questions your structure, a copy editor who tightens your prose, a beta reader who tells you where they got confused. It coaches, challenges, and supports your writing. It never writes it for you.
Do I have to follow the genre template?
Not at all. The genre templates give you a proven structural starting point, but you can rearrange chapters, rename beats, add or remove sections, and ignore any guidance that doesn’t serve your story. You can also start from a completely blank page and build your own structure from scratch. The framework is a scaffold, not a cage.
How does the research feature work?
Select text in your manuscript and click Research, or type a query directly. No 5 Writer™ searches the web for relevant information, aware of what chapter you’re working on, and returns sourced results in a slide-over panel. Save any result as a research note. Open a saved note later to review it, copy it into your manuscript, or ask follow-up questions that build on what you already found. Your research lives alongside your writing, not in a separate app.
What happens to my writing? Is it used to train AI?
Your manuscript, characters, notes, and research are stored in your private database. They are never used to train AI models. When you chat with an AI coach, your conversation context is sent to the AI provider to generate a response, but it is not stored or used for training. You own your work completely.
Can I export my manuscript?
Yes. Export your full manuscript or individual chapters as properly formatted DOCX files, ready for agents and publishers. Screenplays export as industry-standard PDF in Courier 12pt format. You can also generate an AI-assisted book proposal with query letters, synopses, and market analysis, all drawn from what you’ve actually written.
What’s the difference between the AI coaches?
Each persona brings a different editorial lens. The Acquiring Editor evaluates whether your premise has market potential. The Developmental Editor focuses on structure, pacing, and character arcs. The Copy Editor works at the sentence level on voice and clarity. The Literary Agent helps with proposals and submission strategy. The Beta Reader gives you honest reader reactions. The Script Consultant guides visual storytelling, dialogue subtext, and screenplay conventions. Switch between them as your project evolves.
What types of writing does this support?
Fiction, nonfiction, and screenwriting. No 5 Writer™ includes genre templates for mystery, thriller, romance, literary fiction, fantasy, and science fiction on the fiction side, memoir, self-help, and business on the nonfiction side, and feature film, TV pilot, and stage play for screenwriting. That’s 26 genre templates in total, each built around how that specific form works. Nonfiction projects use “case studies” instead of characters, screenwriting projects use scenes instead of chapters, and the AI coaches adapt their feedback accordingly.
What if I’m not sure what genre my book is?
Start with the closest match. The genre template gives you a structural starting point, but you’re free to modify it as your project takes shape. You can also start with a blank page and build your own structure entirely. The AI coaches work with whatever structure you create.