Jasper writes your marketing. AIWriteBook writes your book
Jasper is an AI platform for marketing teams: campaigns, blog posts, ads and on-brand copy at scale. If what you actually need is 60,000 words that hold together, a cover and files a store will accept, that is a different job, and AIWriteBook is built for it.
Same AI, very different finish line
Both tools generate good prose. Where they leave you after a month of work is what differs.
Writing a book in Jasper
- Set up a Brand Voice and a knowledge asset with your book notes
- Draft chapters one by one in Canvas or a document, re-feeding the plot each time
- Copy the text out and handle formatting, cover and ebook files in other tools
With AIWriteBook
- Describe the book and get an editable outline, chapter plan and characters, free
- Generate each chapter from that plan and your Story Bible, then refine it in the AI chat
- Add a cover and build print PDF, EPUB and DOCX in the Format step
- Print-ready PDF
- EPUB checked with EPUBCheck
- Wrap cover for KDP and IngramSpark
- DOCX for editors
Side by side
| What matters | Jasper | AIWriteBook |
|---|---|---|
| Built for | Marketing teams producing campaigns, blogs, ads and brand content | Authors writing full fiction and non-fiction books |
| Unit of work | A piece of content, a campaign or an agent workflow | A book project with outline, chapters and characters |
| Keeping the plot straight | Brand Voice, knowledge assets and audiences you set up | Outline, character list and Story Bible fed into every chapter |
| Book series | Not mentioned on its site | Sequels read up to 5 previous books in the series |
| Book cover | General image generation and editing | Cover designer with 21 art styles and a print wrap cover |
| Publishing files | Not mentioned on its site | Print PDF, EPUB, wrap cover and DOCX |
| Audiobook | Not mentioned on its site | Whole-book audiobook with 25 voices |
| Languages | 30+ languages | Books in 37 languages, plus whole-book translation |
| Price for one writer | Pro $69/seat/mo, or $59/seat/mo billed yearly, 7-day trial | Free to start, plans from $12/mo or packs from $20 |
Jasper details from jasper.ai/pricing, October 2026.
Worried about switching?
- I already trained Jasper on my voice. Do I start over?
- No. Paste a few pages you wrote into the writing style sample when you create the book, and every chapter is written to match it.
- Will a long book stay consistent?
- Each chapter is generated from the book outline, its own chapter outline, the character list and the Story Bible, so names, timelines and facts hold from the first chapter to the last.
- Is this only for novels?
- No. Non-fiction books get their own flow, including internet research and citations grounded in real sources.
- What about the chapters I already drafted?
- Import them as .docx, up to 200,000 words, and keep writing from where you are.
Where Jasper is better
We would rather you pick the right tool than the wrong one.
- Running marketing content for a brand or several brands, with shared Brand Voices and audiences.
- Team workflows: agents for campaigns, SEO and GEO content, plus admin controls, SSO and API on Business.
- Integrations and a browser extension that put AI copy inside the tools a marketing team already uses.
- Short, polished content at volume: landing pages, emails, ads and social posts.
Who should stay
Keep Jasper if you run marketing for a company. Use AIWriteBook for the book itself, and if you promote it afterwards, Jasper is a fine place to write the launch emails.
Switch in three steps
The first step takes two minutes and costs nothing.
Export what you have
Copy your Jasper drafts and notes into one document, or just note the premise and chapter list.
Import or describe the book
Upload the .docx or paste the premise, and let AIWriteBook build the outline and cast around it.
Write the next chapter free
Generate it, ask the AI chat for changes, and accept or reject each edit.
Format and publish
Create the cover, then build the print PDF and EPUB for Amazon KDP or any other store.
Questions writers ask
Can Jasper write a book?
You can use it to draft a book's text chapter by chapter. Jasper is designed for marketing content, though, so planning the plot, keeping a long manuscript consistent, designing a cover and producing print and ebook files are left to you.
Is AIWriteBook a good Jasper alternative for books?
Yes, if your goal is a finished book. AIWriteBook takes one idea to an outline, full chapters, a cover, print PDF, EPUB and an optional audiobook. If your goal is marketing content for a brand, Jasper is the more fitting tool.
How does pricing compare?
Jasper Pro costs $69 per seat per month, or $59 billed yearly, after a 7-day free trial, and Business is priced by sales. AIWriteBook is free to start with your outline and first chapter, plans start at $12/mo billed yearly, and one-time packs start at $20 for 250 credits.
Which is the best AI for novel writing?
The best fit is a tool that plans the whole story and writes every chapter from that plan. General writers like Jasper produce good passages but leave structure to you. AIWriteBook is built around the outline, characters and Story Bible of one book.
Can I publish an AIWriteBook book on Amazon KDP?
Yes. The Format step builds a print PDF, EPUB and wrap cover sized for KDP, and you can generate KDP keywords and a book description for the listing. You own everything you write.
Can I use both?
Yes. Many authors write the book in AIWriteBook and use a marketing tool for the launch: ads, emails and social posts about the finished book.
Your marketing has a tool. Give your book one. Chapter one is free
Plan, write and edit your first chapter free.
- Outline and first chapter free
- Print PDF, EPUB, wrap cover and DOCX from one Generate
- 25 audiobook voices
- Write in 37 languages
- One-time credit packs from $20, no subscription