Free
$0 / month
For beginning with a few pieces.
100 comprehension units / month
2 GB storage
- ✓Library kept for you
- ✓Spaces and first memory layer
- ✓Course catalog access
- ✓Chrome and Firefox extension
Choose your room
Keep what you chose.
Founding members get 90 days of Premium with no card. After that, choose the plan that fits your reading. The Free plan gives you a place to begin.
Pro
$9 / month
For reading and listening most days.
300 comprehension units / month
25 GB storage
- ✓Everything in Free
- ✓Search across your library
- ✓Read, save, and add notes in your assistant
- ✓Annual plan: $90
Premium
Most used$19 / month
For a larger library and the links across it.
600 comprehension units / month
50 GB storage
- ✓Everything in Pro
- ✓Cross-content connections
- ✓Priority processing
- ✓Build source-grounded courses
Scholar
$39 / month
For research volume and long PDFs.
1,200 comprehension units / month
100 GB storage
- ✓Everything in Premium
- ✓100 GB storage
- ✓Library ingest API
- ✓Unlimited assistant answers
One pool
Reading, transcription, and listening draw from the same monthly comprehension units.
Yours to keep
Your notes, voice reflections, collections, and validated connections remain exportable at every tier.
Annual saves 17%
Start on Free and move up when your reading asks for more depth, storage, or synthesis.