Tools for authors
Write at your pace. Pay as you go.
Choose a pack that fits your project and estimate your credits before you create.
- Credits per generation
- No monthly subscription
- Choose your AI model

Choose your credit pack
Credit totals already include bonuses.
Your first book, free
Sign up and verify your email to get 100 credits — enough for a whole 50-section Ebo Lite book, with credits to spare for revisions
- An outline
- 50 sections of content
- One cover
- A preface and author bio
- 27 credits spare for revisionse.g. rewrite 27 sections, or redraw the cover once and rewrite 17 sections
Based on medium-length sections. Regenerating beyond the spare credits uses more; editing the text yourself uses none.
No card needed, nothing to top up
349 credits
$9.69
THB 349
Receive 349 credits
Go to walletRecommended pack
1,100 credits
$27.5
THB 990
990 credits + 110 bonus
Go to wallet3,440 credits
$83.06
THB 2,990
2,990 credits + 450 bonus
Go to wallet7,190 credits
$166.39
THB 5,990
5,990 credits + 1,200 bonus
Go to wallet
Credits pay for AI tools. Books are sold separately in the bookshop.
How many credits could your book use?
Adjust the chapter count and cover model to compare credit estimates.
Chapters
Estimate for your choices
Ebo Lite
83
credits
Ebo Pro
206
credits
Ebo Max
460
credits
How this is calculated
One outline + 10 chapters × 6 medium-length sections per chapter, at each model's listed rate.
Includes one cover (10 credits) and one front matter draft (10 credits).
Actual costs depend on your book's structure, content length, and any regenerated work.
AI prices by task
Credits per generation
| Task | Ebo Lite | Ebo Pro | Ebo Max |
|---|---|---|---|
| Draft a table of contents | 3 | 6 | 20 |
| Write a short chapter | 2 | 5 | 16 |
| Write a medium chapter | 3 | 8 | 24 |
| Write a long chapter | 5 | 12 | 34 |
| Short section | 1 | 2 | 5 |
| Medium section | 1 | 3 | 7 |
| Long section | 2 | 4 | 10 |
Books divided into sections are charged for each section generated. Multiplying a chapter price by your chapter count may not reflect the cost of your book.
Covers and front matter
E-cover 3 Flash
Generate a book cover
10 credits / generation
E-cover 3 Pro
Generate a book cover
20 credits / generation
Front matter
Draft a preface and author biography
10 credits / generation
Do I need credits before buying a book?
No. Credits pay for an author's AI tools. Buying an ebook is a separate payment at the book's listed price and does not use your AI credit balance.
Is the estimate a fixed price for a finished book?
No. It is an example based on the assumptions shown below the calculator. Your structure, section count, length, model choices, and any regenerated content can change the total. Review each task's cost before confirming.
Does regenerating text or a cover cost more credits?
Asking AI to generate again creates another task, charged at the selected model's rate. Review the draft and be specific about what you want to change before generating again.
How does credit usage differ between AI models?
Each model has separate rates for outlines, chapters, and sections. Compare the task prices above, then use the calculator to estimate your project. You can choose a cover model independently of the model writing your content.
Ready to start your next book?
Start with an idea. Create at your own pace.
Start your book