Head-to-head
Backblaze B2 vs Cloudflare R2
Cloudflare R2 leads: the AI models rank it above its rival on 2 of 2 shared leaderboards. Based on how ChatGPT, Claude, Gemini & Grok rank both across 2 shared leaderboards — re-polled on demand, reasoning shown verbatim.
| Leaderboard | Backblaze B2 | Cloudflare R2 |
|---|---|---|
| Best S3-compatible object storage for startups | #2 / 7 | #1 / 7 |
| Best object storage for the cloud | #3 / 7 | #2 / 7 |
Why the models rank Backblaze B2 — on best s3-compatible object storage for startups
“Lowest headline storage price ($6/TB/mo tier) with a genuinely simple, S3-compatible API and free egress up to 3× your stored data (plus fully free egress to Cloudflare via the Bandwidth Alliance); ideal for backup, media, and cost-sensitive startups that want predictable, cheap storage without a hyperscaler's complexity.”
Why the models rank Cloudflare R2 — on best s3-compatible object storage for startups
“Best value for a typical internet-facing startup: zero egress fees, $0.015/GB-month standard storage, strong consistency, eleven-nines durability, a useful free tier, and excellent Cloudflare CDN/Workers integration”
More head-to-heads
Rankings move. Know when this flips.
The 3 biggest AI-ranking flips, one short email a week.
Ranks from the merged 4-model leaderboards · re-polled on demand · methodology