Egress
Data leaving a cloud or region, typically billed at a premium and a major hidden cost in AI pipelines.
Current numbers
$0.087/GBAzure internet egress, first paid tier (next 10 TB after 100 GB free); list price, negotiated rates lower
$0.12/GiBGoogle Cloud Premium Tier internet egress, first 1 TiB/month; list price, negotiated rates lower
70–80%source-modeled egress share for a standard weekly-retrain scenario (74% AWS / 78% Azure / 79% GCP)