First drafts and exploration
- 1 project
- 3 research files (max 5 MB each)
- All AI features, limited usage
- PDF export with Chaptora cover page
- Version history
Billed in USD, excl. VAT
Most popular
Quarto$20per month$16.67per month · billed $200/yrFor serious writing
- Unlimited projects
- 50 files per project (max 50 MB each)
- 10× more AI usage than Octavo
- EPUB, Word and clean PDF export
- Frontmatter & backmatter editor
- Full agent access
For power users and professionals
- Everything in Quarto
- Unlimited research files (max 200 MB each)
- 5× more AI usage than Quarto
- Priority queue (faster responses)
- Early access to new models
All prices are in USD and exclude VAT. VAT is added on top of the price at checkout, where you see the total before you pay. Annual plans are charged once per year; the figure on each card is what that works out to per month.
What counts as AI usage? Using Chaptora’s AI features. Each edition’s allowance is stated in its feature list.