kitio.aiSudowrite vs AI Book Generator
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AI Book Generator has the lower starting price: about $10 a month, against $19 for Sudowrite.
Write full ebooks automatically or chapter by chapter with AI help
Freemium · $9.99/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Story Bible
- Muse fiction model
- Describe and Rewrite tools
- Chapter drafting
- Brainstorming
- Automatic full-book mode
- AI-assisted chapter writing
- AI book covers
- 30+ languages
- Download in multiple formats
- Online book editor
| Feature | Sudowrite | AI Book Generator |
|---|---|---|
| Best for | AI writing partner for novelists with a fiction-trained model | Write full ebooks automatically or chapter by chapter with AI help |
| Category | Writing | Writing |
| Pricing model | Free trial | Freemium |
| Starting price | $19/mo | $9.99/mo |
| Free plan | No, trial available | Yes |
| Made by | Sudowrite | AI Book Generator |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
AI Book Generator has the lower starting price: about $10 a month, against $19 for Sudowrite.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Hobby & Student
$19/mo
- 225,000 credits per month
- $10/mo billed yearly
Professional
$29/mo
- 1,000,000 credits per month
- Feedback on your work
- $22/mo billed yearly
Max
$59/mo
- 2,000,000 credits per month
- Credits roll over 12 months
- $44/mo billed yearly
4 plans
Free
Free
- AI-assisted writing mode
- Cover creation
Starter
$9.99/mo
- 10 credits a month
- Automatic mode with cover
- 1 book in queue
Pro
$39.99/mo
- 50 credits a month
- 3 books in queue
Advanced
$129.99/mo
- 200 credits a month
- 5 books in queue
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sudowrite
- Built specifically for fiction
- Keeps track of story details
- Strong descriptive writing tools
- Credits run out fast on long drafts
- No permanent free plan
AI Book Generator
- Choice of automatic or guided writing
- Covers included in automatic mode
- Many languages and genres
- Automatic mode needs a paid plan
- Long books can take up to two hours
- Fully automatic text needs editing
Which one should you choose?
Choose Sudowrite if you want:
- Built specifically for fiction
- Keeps track of story details
- Strong descriptive writing tools
Watch out: credits run out fast on long drafts.
Choose AI Book Generator if you want:
- Choice of automatic or guided writing
- Covers included in automatic mode
- Many languages and genres
Watch out: automatic mode needs a paid plan.
Sudowrite vs AI Book Generator FAQ
What is the difference between Sudowrite and AI Book Generator?
Sudowrite: AI writing partner for novelists with a fiction-trained model. AI Book Generator: Write full ebooks automatically or chapter by chapter with AI help. Both are writing tools.
Is Sudowrite or AI Book Generator cheaper?
AI Book Generator has the lower starting price: about $10 a month, against $19 for Sudowrite.
Do Sudowrite and AI Book Generator have free plans?
Sudowrite: No, trial available. AI Book Generator: Yes.
Who makes Sudowrite?
Sudowrite is made by Sudowrite, based in United States.
Who makes AI Book Generator?
AI Book Generator is made by AI Book Generator.
Which should I choose, Sudowrite or AI Book Generator?
Choose Sudowrite if you value built specifically for fiction and keeps track of story details. Choose AI Book Generator if you value choice of automatic or guided writing and covers included in automatic mode.