Backblaze B2 vs Cloudflare
A detailed comparison to help you choose between Backblaze B2 and Cloudflare.
Quick Verdict
4.2/5
Backblaze B2
0 reviews
4.3/5
Cloudflare
0 reviews
Cloudflare is rated higher (4.3 vs 4.2). Backblaze B2 offers S3-compatible object storage at $6.95/TB/month (raised from $6/TB in May). Free egress up to 3x stored data for all customers, unlimited free egress to partner CDNs/compute. Global network that speeds up and protects websites with CDN caching, DDoS protection, free SSL and DNS. Free plan; Pro costs $20/month billed annually ($25 monthly).
Backblaze B2 S3-compatible object storage at $6.95/TB/month with 3x free egress | Cloudflare Global CDN and DDoS protection with object storage | |
|---|---|---|
| Overview | ||
| Rating | 4.2 (0 reviews) | 4.3 (0 reviews)✓ |
| Pricing model | usage-based | freemium |
| Starting price | From $6.95/mo✓ | From $20/mo |
| Best for | Backup targets, snapshot archives, and asset storage where low, predictable cost beats global distribution | Websites and SaaS front ends that want a free or flat-priced global CDN with DDoS protection and TLS included — and can accept proxying all traffic through one vendor. |
| Features | ||
| IPv6 | ||
| DDoS protection | ✓ | |
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ||
| Free tier | ||
| Data-center locations | ||
| Regions | ["US West (Sacramento, Stockton, Phoenix)", "US East (Reston, VA)", "EU Central (Amsterdam, NL)", "CA East (Toronto, ON)"] | Global — 300+ cities |
| Tags | ||
| Tags | free tiers3 compatibleus datacenterapi access | free tiers3 compatibleddos protectioneu datacenterus datacenterapac datacenterapi accessipv6terraform provider |
| Visit Backblaze B2 → | Visit Cloudflare → | |
Backblaze B2
Pros
- + $6.95/TB/month storage with no minimum file size or storage duration fees
- + Free egress up to 3x average monthly storage for all customers; unlimited free egress to partner CDNs/compute
- + Genuine S3-compatible API plus native API, with free Class A/B/C transactions
- + 11 nines claimed durability with published Vault math (20 shards across 20 pods)
- + EU data residency via the Amsterdam region; permanent 10 GB free tier
Cons
- - One region per account (fixed at creation); no cross-region buckets or read replicas
- - S3 compatibility is partial: no IAM roles, object tagging, or website hosting; bucket-level ACLs only
- - SLA is thin: 99.9% objective with 5–10% service credits
- - Storage price rose from $6 to $6.95/TB in May — value still strong, but the direction is upward
- - No compute, functions, or database services
Cloudflare
Pros
- + Unmetered bandwidth and requests on every plan, including Free
- + Free managed WAF ruleset, Universal SSL and unmetered DDoS protection by default
- + 330+ city network with Anycast routing and no region pricing
- + Flat per-domain pricing is easy to budget; no egress surprises
- + Terraform provider and full API for configuration as code
Cons
- - No uptime SLA below the Business plan
- - Per-domain billing gets expensive for domain portfolios
- - Advanced WAF tuning and rate limiting are plan-gated
- - Proxy architecture is a concentration risk during network-level incidents
- - Large feature surface means caching misconfigurations can go unnoticed
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