AI features draw on a credit wallet. Each plan refills it monthly; packs top it up; Studio shares one wallet across the organisation. The credits meter in the workspace header shows what's left.
What uses credits#
- Generating or regenerating lessons and cards.
- Building a bespoke Review or a tailored course.
- Find with AI resource searches.
- Image generation for covers and cards.
- Offer documents and narrative reports.
What doesn't#
- Students practising - ever.
- Live lessons, marking, assignments, progress and dashboards.
- The tap-a-word dictionary.
- Editing content by hand.
Running out#
When the wallet is empty, AI actions show a credits sheet instead of running. Background builds pause and resume automatically after a top-up. Auto-recharge (Billing → Credits) buys a pack when the wallet dips below a level you choose.
Common questions#
Do unused credits roll over?
The monthly allowance resets; purchased packs don't expire.
Why did a build cost more than the estimate?
Estimates assume a typical lesson. Very long source documents or lots of images can cost more; the final figure is shown on the build's receipt.
Can I see what each build cost?
Yes - Billing → AI usage lists every job with its cost.
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