Backblaze B2 vs AWS S3(2026)
Backblaze B2 is better for teams that need 4x cheaper than s3. AWS S3 is the stronger choice if battle-tested reliability. Backblaze B2 is paid (from $6/TB/month) and AWS S3 is paid (from $0.023/GB/month + egress).
Full feature breakdown, pricing details, and pros & cons below.
By Bikram Nath
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Backblaze B2
Backblaze B2 is S3-compatible object storage at $6/TB/month — 4x cheaper than AWS S3.
Starting at $6/TB/month
Visit Backblaze B2
AWS S3
Amazon S3 is the industry-standard object storage service with 99.999999999% durability.
Starting at $0.023/GB/month + egress
Visit AWS S3How Do Backblaze B2 and AWS S3 Compare on Features?
| Feature | Backblaze B2 | AWS S3 |
|---|---|---|
| Pricing model | paid | paid |
| Starting price | $6/TB/month | $0.023/GB/month + egress |
| S3-compatible API | ✓ | — |
| Cloudflare partnership (free egress) | ✓ | — |
| Versioning | ✓ | ✓ |
| Lifecycle rules | ✓ | — |
| Public buckets | ✓ | — |
| 99.999999999% durability | — | ✓ |
| Lifecycle policies | — | ✓ |
| Event notifications | — | ✓ |
| Glacier archival | — | ✓ |
| Access controls | — | ✓ |
Backblaze B2 Pros and Cons vs AWS S3
Backblaze B2
AWS S3
Should You Use Backblaze B2 or AWS S3?
For most teams, Backblaze B2 is the better default: it offers 4x cheaper than s3 and is paid (from $6/TB/month). Choose AWS S3 instead if battle-tested reliability matters more than smaller ecosystem than s3. There is no universal winner — the right pick depends on your budget, team size, and whether you value 4x cheaper than s3 or battle-tested reliability more.
Choose Backblaze B2 if…
- •4x cheaper than S3
- •Free egress to Cloudflare
- •S3-compatible
Choose AWS S3 if…
- •Battle-tested reliability
- •Massive ecosystem
- •Extensive tooling