Writing Style Builder
AI that writes in your voice
Paste a few paragraphs of your own prose. Every outline and chapter comes back with your rhythm, word choice and sentence shape.
- Paste 6 to 10 paragraphs
- Used for the outline and every chapter
- Free on every plan
Sound like yourself
Without it
- AI chapters read like a generic blog post
- You rewrite every paragraph to put your voice back
- Tone shifts from chapter to chapter
With it
- Chapters arrive in your cadence and vocabulary
- Less rewriting, more editing
- One sample keeps the whole book consistent
Teach it your voice in three steps
01Step
Set the tone
Pick the book's tone and point of view in the Details step.
02Step
Paste your sample
Drop in your best polished prose, or describe the voice you want.
03Step
Get chapters in your voice
Each chapter is written to match the sample.
Your sample in, your chapter out
From our demo novel. The left was written by the author, the right by the AI.
Author's sample
The Salt Road, chapter 1
She read it four times standing in the doorway, with the bread proving behind her and the street still dark. Then she turned the sign on the shop door to Closed, which she had not done on a weekday in six years.
AI chapter, same voice
The Salt Road, chapter 4
Mara stood on the bottom step and wiped her boots on the iron scraper. A baker learned to let dough rest before shaping it, and she had spent twenty years learning that men who liked their own importance would always give you an opening if you let them speak first.
What it captures
Rhythm
Sentence length and pacing, short beats and long lines.
Vocabulary
The words you reach for, and the ones you never use.
Tone
Dry, warm, tense or playful, as your sample reads.
POV and tense stay right
Your voice is rewritten into the book's own point of view and tense.
Edit any time
Change the sample and the next chapters follow it.
Free on every plan, including Free.
Compare plansWriting Style Builder FAQ
No. The writing style sample is part of creating a book and is available on the free plan as well as every paid plan.
6 to 10 paragraphs works best. The field accepts up to 20,000 characters.
Yes. Non-fiction books have the same writing style box in their Details step, and non-fiction chapters and outlines use it the same way.
The AI follows the sample closely, so use polished prose. It is instructed never to reproduce fragments or unfinished sentences, but a clean sample gives the best match.
The book's point of view and tense win. The AI rewrites your voice in the POV and tense the book is set to, and uses the book's own character names.
Yes. Edit the sample in the book's Details step at any time. Chapters you generate afterwards use the new version.
Yes. You can paste an excerpt, a description of the voice you want, or both.
It is stored on your book and used to write and check that book's outline and chapters.
Hear yourself on the page
Start a book, paste your sample, and read chapter one in your voice.