Credits pay for the AI features. Writing and editing by hand is always free.
- A complete set costs up to 5 credits and includes up to 15,000 characters of material.
- Beyond that, every extra 5,000 characters cost 1 credit.
- Edit with Vesta, Generate with Vesta and Highlight the set cost 1 credit each.
- Step-by-step (a worked, step-by-step explanation) costs 3 credits.
- Listening to a document costs 1 credit the first time; for 30 days you can listen again for free on the same device.
You see the cost before pressing Generate. If a generation fails, no credits are taken.