Amazon S3 vs Backblaze B2
Object storage and egress pricing, head to head.
| Metric | Amazon S3 | Backblaze B2 | Cheaper |
|---|---|---|---|
| Storage ($/GB-month) | $0.0230 | $0.0060 | Backblaze B2 |
| Egress ($/GB) | $0.0900 | $0.0100 | Backblaze B2 |
| Egress terms | Amazon S3: $0.09/GB (first 10 TB); 100 GB/mo free Backblaze B2: free up to 3× monthly stored, then $0.01/GB | ||
| Free tier | Amazon S3: 5 GB for 12 months Backblaze B2: 10 GB storage | ||
Egress usually dominates the bill for download-heavy workloads — weight it accordingly. Run your numbers in the calculator →