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per month—bandwidth cost
—request cost
—per year
A CDN turns expensive egress cheap
Serving straight from object storage racks up costly egress; a CDN caches and delivers it far cheaper and faster. Compare with raw storage egress on the object storage calculator.
CDN pricing tiers and the commit game
Pay-as-you-go CDN bandwidth runs $0.02–$0.085/GB depending on region — but nobody at volume pays list price. Commit contracts (agreeing to X TB monthly) cut rates 40–70%, and the regional mix matters more than the headline: Asia-Pacific delivery costs 2–4× North America on most networks. The item that ambushes budgets is cache-miss origin traffic: a 90% hit ratio means 10% of requests also bill egress from your origin cloud at its (higher) rates. Improving hit ratio from 90% to 97% cuts origin egress by 70% — usually the cheapest optimization available.