Cloud Storage Cost Comparison – AWS vs Azure vs GCP
Side-by-side cost comparison of major cloud storage providers.
About This Calculator
Side-by-side cost comparison of major cloud storage providers. Use the calculator above for instant results.
Worked Examples
- AWS S3: $1,634 | Azure: $1,359 | GCP: $1,633
- Backblaze B2: $358 | Cloudflare R2: $768 (no egress!)
Answer: Wide cost variation
- Glacier $409 | B2 $614 | R2 $1,536
- Glacier wins for cold storage
Answer: Glacier cheapest for archives
- Quick pure-storage comparison at 10 TB
Answer: Compare baseline costs
Who Uses This Calculator?
Choose best cloud storage provider.
Optimize multi-cloud storage cost.
Provider cost analysis.
Cloud budget planning.
Common Mistakes to Avoid
❌ Egress fees change everything
Zero-egress providers (Cloudflare R2) can be cheaper despite higher storage rates if you access data frequently.
❌ Feature differences matter too
AWS S3 has mature tooling, more integration options. Backblaze B2 is simpler, cheaper. Cloudflare R2 for CDN-adjacent workloads.
Frequently Asked Questions
Cloudflare R2 zero egress?
Cloudflare R2 has $0 egress fees. Strong competitive advantage for frequently accessed data. Limited compared to S3 feature-wise.
Backblaze B2?
$0.006/GB — among the cheapest. S3-compatible API. Popular for backup and media storage. Good Cloudflare partnership for fast delivery.
True cost includes operations
S3 also charges $0.005/1,000 PUT/COPY/POST and $0.0004/1,000 GET requests. High-request workloads add significant cost.