Observed arrival · 2026-11-10
DiffCost puts a price tag on SQL changes before merge
DiffCost says it dry-runs changed BigQuery queries or dbt models and posts the estimated per-run cost change on a GitHub pull request.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Teams reviewing BigQuery or dbt changes in GitHub
- Worth noticing
- The sample pull request raises estimated cost from $2.09 to $9.66 per run, or about $227 monthly at 30 runs.
Field notes
The homepage illustrates its estimate with a pull request that removes a date filter: the query then reads partitions back to 2013, and the displayed estimate rises from $2.09 to $9.66 per run. The site says its comparisons use dry runs in the team's own BigQuery project, read no rows, and can be added through a GitHub Action.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
⊠LoginAccess appeared gated
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
◎NicheUnusually specific use
One card from the complete issue