* Backblaze B2 has a formal bandwidth alliance with Cloudflare — egress from B2 through Cloudflare CDN is free with no cap. This calculator shows the standard egress rate; if you serve assets through Cloudflare, your B2 egress cost is $0 regardless of volume.
Estimates are based on published list pricing for US East regions as of April 2026. AWS S3 egress assumes the 100 GB/month free allowance is already consumed by other services; if it is not, subtract up to $9 from the S3 estimate. DigitalOcean and Vultr use a flat monthly base fee regardless of utilization — the base fee is always charged even if you store nothing. Backblaze B2 request fees are not included; the daily free allowance (2,500 Class B reads/day) covers most small-to-medium workloads. Verify all prices at official provider pages before making architecture decisions.
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