Amazon S3vsBackblaze B2
How 10 AI models weigh Amazon S3 against Backblaze B2 on the 2 buying questions where both came up.
- Amazon S3
- 57%of answers named it
- Backblaze B2
- 55%of answers named it
- Placed higher
- 45–3times Amazon S3 vs Backblaze B2, over 48 model rankings that listed either
- Models leaning
- 10–0toward Amazon S3 vs Backblaze B2
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 2 shared questions, every wording
| Model | Amazon S3 | Backblaze B2 | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 58% | 54% | 5–0 | Amazon S3 |
| GPT-6 Luna | 50% | 50% | 4–0 | Amazon S3 |
| Gemini 4 Argon | 50% | 50% | 4–0 | Amazon S3 |
| Qwen 3.8 Flash | 54% | 46% | 4–0 | Amazon S3 |
| DeepSeek V4 Pro | 46% | 46% | 4–0 | Amazon S3 |
| GLM-5.3 | 63% | 63% | 4–1 | Amazon S3 |
| Kimi K3 | 58% | 54% | 5–0 | Amazon S3 |
| MiniMax M3 | 71% | 71% | 4–2 | Amazon S3 |
| Mistral Large 4 | 67% | 54% | 6–0 | Amazon S3 |
| Nemotron 3 Ultra | 50% | 59% | 5–0 | Amazon S3 |
What the models say about Amazon S3
One reason per model, from the shared questions
- Claude Haiku 5.5
Industry-standard object storage with mature SDKs, lifecycle rules, and fine-grained access control.
- GPT-6 Luna
Highly scalable, durable object storage with mature SDKs, presigned uploads, and broad ecosystem support.
- Gemini 4 Argon
Industry standard with unmatched reliability, ecosystem integration, and granular security controls.
- Qwen 3.8 Flash
Industry standard for user uploads; presigned URLs, massive scale.
- DeepSeek V4 Pro
Industry gold standard for scalable, durable object storage with vast integrations.
- GLM-5.3
Industry standard: durability, scalability, presigned URLs, huge ecosystem.
- Kimi K3
Industry standard, unmatched durability, ecosystem, and tooling.
- MiniMax M3
Industry standard; unmatched durability, scalability, and ecosystem of integrations.
- Mistral Large 4
Industry standard for scalability, durability, and global reach.
- Nemotron 3 Ultra
Industry standard, infinite scale, massive ecosystem
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
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 | Amazon S3 | Backblaze B2 |
|---|---|---|
| Best file storage for app uploads | 98% #1 | 98% #1 |
| Best cloud storage for businesses | 16% #15 | 12% #17 |