s3-providers.txt

IDrive        - $0.004/GB - $0 for download bandwidth - 1:3 upload:download ratio allowed <- questionable data privacy - custom domains offered - no audit logging
Backblaze     - $0.006/GB - $0 for download bandwidth if through Worker (or $0.01/GB) <- decent data privacy record - no custom domains - no audit logging
Wasabi        - $0.0069/GB - $0 for download bandwidth - 1:1 and billed for 90 days <- cheapest with audit logging - no custom domains and no CORS support
Storj         - $0.004/GB - $0.007/GB for download
Cloudflare R2 - $0.015/GB - $4.50 / million for uploads and $0.36 / million for downloads
DigitalOcean  - $0.020/GB - $0.01/GB for download