Cloudflare R2 vs Backblaze B2 Object Storage Pricing Comparison (2026)
Compare Cloudflare R2 ($0.015/GB storage, zero egress) vs Backblaze B2 ($0.006/GB storage, 3x free egress): API Class A/B request fees, CDN integration, and S3 compatibility.
Cloudflare R2
Backblaze B2
Head-to-Head Monthly Cost Simulator
Simulate real workload expenditures for Cloudflare R2 vs Backblaze B2 at your expected token volume.
Comprehensive Technical & Financial Breakdown
Side-by-side audit of pricing tiers, token speeds, benchmark intelligence, and architecture limits.
| Specification / Metric | Cloudflare R2 | Backblaze B2 | Financial & Engineering Impact |
|---|---|---|---|
| Storage Cost / GB / Month | $0.015 | $0.006 | Backblaze B2 storage is 60% cheaper |
| Public Internet Egress | $0.00 (Free forever) | Free up to 3x stored data ($0.01/GB after) | Cloudflare R2 has zero egress fees unconditionally |
| Class A Requests (Writes / 1M) | $4.50 | $4.00 | Backblaze B2 is 11% cheaper |
| Class B Requests (Reads / 1M) | $0.36 | $0.40 | Cloudflare R2 is 10% cheaper |
| CDN Integration | Native Cloudflare CDN Edge | Requires Cloudflare Bandwidth Alliance | R2 is natively integrated into Cloudflare Workers |
| S3 API Compatibility | Full S3 API | Full S3 API | Both work seamlessly with standard AWS SDKs |
Choose **Cloudflare R2** if you have high-egress media applications, public assets, or serverless Cloudflare Workers workloads where unpredictable egress bills are a risk. Choose **Backblaze B2** for cold backups, massive multi-terabyte data archives, or write-heavy storage where base storage price ($6/TB vs $15/TB) dominates.
Frequently Asked Questions: Cloudflare R2 vs Backblaze B2
Real-world answers covering token budgeting, prompt caching, latency, and SLA differences.
Is Cloudflare R2 really 100% free for egress?
Yes, Cloudflare R2 does not charge any data egress fees regardless of how much bandwidth your users download.
When is Backblaze B2 cheaper than R2?
If your data is mostly stored and rarely downloaded (e.g. disaster recovery backups), Backblaze B2 at $0.006/GB ($6/TB) is 60% cheaper than R2 at $0.015/GB ($15/TB).