Using AI to Write a Book
The difference between AI that writes for you and AI that helps you check your own book, and what publishing platforms ask.

Word is enough for many books, especially if you use headings and keep notes in a separate file. Dedicated book software helps when the book gets long: it keeps chapters in a side list, holds your notes next to the text, and some tools keep track of your characters or format the final book.
AxiomStory publishes this reference. The pick reflects the criteria on this page. It is not a measured ranking of every tool.
If you already know Word, you can write a whole novel in it. Use a heading style for each chapter title, then open the navigation pane to jump between chapters. Keep a second document for notes. Publishers and editors also work in Word files, so you'll likely need one at the end anyway.
Drafting tools like Scrivener and Dabble keep chapters in a side list you can drag, hold notes next to the manuscript, and track word goals. Formatting tools like Atticus and Reedsy Studio turn the manuscript into print and ebook files. Story tools like AxiomStory read your chapters, build a wiki of your characters and places, and flag lines that disagree.
Stay in Word if the book is short, you're comfortable there, and you keep good notes. Add a dedicated tool for the problem you actually have: navigating a long draft, keeping a big cast consistent, or formatting the final book.
| Tool | Best for | AI | Pricing |
|---|---|---|---|
| Scrivener | Offline drafting and research | No | One time purchase |
| Dabble | Plotting with a grid, word count goals | Not its focus | From $15 a month billed yearly, lifetime from $699 |
| AxiomStory | Novels and series of any length: a story wiki, plot hole checks, and pictures and voices for your characters | Yes. Reads your chapters, checks continuity, and suggests edits you approve. Never writes your book unless you ask | Free to start, no card. Plans from $20 a month |
| Atticus | Formatting print books and ebooks | No | $147 one time |
Many do. Word is also the usual format for sending a manuscript to editors and publishers.
Most tools import Word files. AxiomStory takes PDF, ePub and text, so save a copy as PDF or text first.
Practical guides and checklists are original editorial guidance. Official descriptions don't show how tools compare in use. Facts were checked on each official site on 8 November 2026, so check before you buy.
The difference between AI that writes for you and AI that helps you check your own book, and what publishing platforms ask.
The best free ways to write a book, what you give up with each, and when paying starts to make sense.
Tools to try if Scrivener feels too complex, doesn't sync well, or doesn't help you keep your story straight.
Ways to keep a big cast straight, from a simple character sheet to software that reads your chapters for you.
This is one of a set of references published by AxiomStory: Best Book Writing App, Best Novel Writing App, Best Fiction Writing Software. They share the same publisher and are not independent reviews.
Best Book Writing Software. "Microsoft Word vs Book Writing Software." Reviewed 8 November 2026. https://bestbookwritingsoftware.com/word-vs-book-writing-software/