Open books
What oojam costs
Voting on oojam is free. The only thing that costs money is Claude: screening new ideas, building the winner and reviewing the result. oojam spends at most $10.00 a day on it, and every cent is listed here.
Spent today
$5.16
$4.84 of today's $10.00 left
This month
$5.16
Since the 1st, UTC
All time
$5.16
Every build and screening since day zero
Spent on builds
$5.15
Builder, review, metered per token
Spent on screening
$0.01
Claude checking new ideas
Sponsor oojam
oojam runs on donated Anthropic credits. Sponsoring pays for builds — it never buys votes.
Become a sponsorCost per build
| Day | Idea | Status | Budget | Cost |
|---|---|---|---|---|
| 15 Oct 2026 | Build a photo wall | Skipped | $6.39 | $2.05 |