Backblaze B2vsCloudflare R2
How 10 AI models weigh Backblaze B2 against Cloudflare R2 on the 1 buying question where both came up.
- Backblaze B2
- 98%of answers named it
- Cloudflare R2
- 95%of answers named it
- Placed higher
- 5–35times Backblaze B2 vs Cloudflare R2, over 40 model rankings that listed either
- Models leaning
- 0–10toward Backblaze B2 vs Cloudflare R2
Which models prefer which
Share of each model's answers that named each product, and how often its ranking put one above the other (a product listed beats one left off) · On the 1 shared question, every wording
| Model | Backblaze B2 | Cloudflare R2 | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 100% | 0–4 | Cloudflare R2 |
| GPT-6 Luna | 100% | 100% | 0–4 | Cloudflare R2 |
| Gemini 4 Argon | 100% | 100% | 0–4 | Cloudflare R2 |
| Qwen 3.8 Flash | 92% | 92% | 1–3 | Cloudflare R2 |
| DeepSeek V4 Pro | 92% | 83% | 1–3 | Cloudflare R2 |
| GLM-5.3 | 100% | 75% | 1–3 | Cloudflare R2 |
| Kimi K3 | 100% | 100% | 0–4 | Cloudflare R2 |
| MiniMax M3 | 100% | 100% | 1–3 | Cloudflare R2 |
| Mistral Large 4 | 100% | 100% | 1–3 | Cloudflare R2 |
| Nemotron 3 Ultra | 100% | 100% | 0–4 | Cloudflare R2 |
What the models say about Backblaze B2
One reason per model, from the shared questions
- Claude Haiku 5.5
Very low storage cost and S3-compatible API, good for large volumes of uploads.
- GPT-6 Luna
Affordable S3-compatible object storage with dependable performance and useful lifecycle features.
- Gemini 4 Argon
Exceptionally affordable raw storage pricing with reliable S3-compatible APIs.
- Qwen 3.8 Flash
Cheapest reliable S3-compatible storage with low egress.
- DeepSeek V4 Pro
Affordable S3-compatible storage with generous free tier and low per-GB pricing.
- GLM-5.3
Cheapest storage, S3-compatible, free egress via Cloudflare.
- Kimi K3
Cheapest reliable storage with S3-compatible API.
- MiniMax M3
Cheapest S3-compatible storage, great for budget-conscious web apps.
- Mistral Large 4
Cheapest S3-compatible storage with simple, predictable pricing.
- Nemotron 3 Ultra
Lowest cost, simple pricing, S3-compatible API
What the models say about Cloudflare R2
One reason per model, from the shared questions
- Claude Haiku 5.5
S3-compatible storage with zero egress fees, ideal for user-facing downloads.
- GPT-6 Luna
S3-compatible storage with no egress fees, making user-upload delivery cost-predictable.
- Gemini 4 Argon
S3-compatible storage with zero egress fees, saving massive costs on bandwidth-heavy apps.
- Qwen 3.8 Flash
Zero egress fees, S3-compatible, ideal for upload-heavy apps.
- DeepSeek V4 Pro
Zero egress fees make it extremely cost-effective for high-bandwidth uploads/downloads.
- GLM-5.3
Zero egress fees, S3-compatible, fast global edge delivery.
- Kimi K3
Zero egress fees, S3-compatible API, great performance at edge.
- MiniMax M3
Zero egress fees makes it ideal for user-generated content at scale.
- Mistral Large 4
Zero egress fees make it unbeatable for high-traffic uploads.
- Nemotron 3 Ultra
Zero egress fees, S3-compatible, global network
Tracked since October 25, 2026. Each time the panel answers these questions again, both shares are added here.
Question by question
Share of all answers that named each, every wording pooled, with its place among every product named · Both-named questions first
| Question | Backblaze B2 | Cloudflare R2 |
|---|---|---|
| Best file storage for app uploads | 98% #1 | 95% #5 |
| Best cloud storage for businesses | 12% #17 | · |