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Backblaze B2 vs Cloudflare

Cloudflare R2 offers S3-compatible storage with zero egress fees to Cloudflare network, but limited to its edge platform.

Short answer: Pick Backblaze B2 if you want predictable, low-cost S3-compatible storage; pick Cloudflare if you want global edge network with integrated security. Backblaze B2 is paid, with a free trial; Cloudflare has a free plan, paid from $20/month.

Which to pick

Pick Backblaze B2 if you want…

  • Predictable, low-cost S3-compatible storage
  • Integrations with S3-compatible APIs (on Backblaze B2's list, not Cloudflare's)

Pick Cloudflare if you want…

  • Global edge network with integrated security
  • Edge-focused storage
  • A free plan to start with
  • Integrations with Git, GitHub Actions or VS Code (on Cloudflare's list, not Backblaze B2's)

Side by side

What it is
Backblaze B2:Backblaze B2 provides low-cost, S3-compatible object storage optimized for AI and data-intensive workloads.
Cloudflare:Cloudflare provides a global network platform offering CDN, DNS, DDoS protection, Zero Trust security, and edge compute services.
Best for
Backblaze B2:Predictable, low-cost S3-compatible storage
Cloudflare:Global edge network with integrated security
Who it’s for
Backblaze B2:Developers and enterprises needing scalable, high-performance cloud storage.
Cloudflare:Developers and teams needing fast, secure, and scalable web infrastructure.
Pricing
Backblaze B2:Paid
Cloudflare:Freemium
Starting price
Backblaze B2:—
Cloudflare:$20/month (Pro)
Free plan or trial
Backblaze B2:Free trial
Cloudflare:Free plan (Free)
Plans
Backblaze B2:Backblaze B2 $6.95/TB/mo per month · Backblaze B2 Overdrive $15/TB/mo per month
Cloudflare:Free $0 · Pro $20 per month billed annually · Business $200 per month billed annually
Works with
Backblaze B2:S3-compatible APIs
Cloudflare:Git, GitHub Actions, VS Code

Backblaze B2 features

  • Free 3× egress. Provides free outbound data transfer up to three times your average monthly storage.
  • Object Lock (WORM). Enables immutable, write-once-read-many storage to protect against ransomware.
  • Cloud Replication. Automatically copies data across regions for redundancy and fast local access.
  • Event Notifications. Triggers alerts on data changes to automate workflows such as transcoding.
  • High-throughput Overdrive. B2 Overdrive offers terabit speeds and unlimited egress for AI/ML and HPC workloads.

Cloudflare features

  • Unmetered DDoS protection. Mitigates large-scale attacks at no extra cost across all plans.
  • Global CDN & DNS. Delivers content from 335+ cities, keeping latency under 50 ms for most users.
  • Zero Trust SASE platform. Provides ZTNA, SWG, DEX, and SSO for secure access to apps and data.
  • Edge serverless compute (Workers). Runs JavaScript, Rust, C/C++ code at the edge with no cold starts.
  • Integrated AI & agents. Deploys AI agents, inference, and governance on the same network.

Backblaze B2 vs Cloudflare FAQ

What is the difference between Backblaze B2 and Cloudflare?+

Cloudflare R2 offers S3-compatible storage with zero egress fees to Cloudflare network, but limited to its edge platform.

Should I use Backblaze B2 or Cloudflare?+

Pick Backblaze B2 if you want predictable, low-cost S3-compatible storage or integrations with S3-compatible APIs (on Backblaze B2's list, not Cloudflare's). Pick Cloudflare if you want global edge network with integrated security, edge-focused storage or a free plan to start with.

Is Backblaze B2 or Cloudflare free?+

Backblaze B2 is paid, with a free trial. Cloudflare has a free plan; paid plans start at $20/month (Pro).

Do Backblaze B2 and Cloudflare integrate with the same tools?+

Their integration lists don't overlap: Backblaze B2 lists S3-compatible APIs; Cloudflare lists Git, GitHub Actions and VS Code.

Based on each tool's website and DevHunt data. Details may change; check the official sites.