AWS S3 vs Azure Blob Storage: Which is Better in 2026?
Choosing between AWS S3 and Azure Blob Storage comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: AWS S3 wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick Azure Blob Storage if you need cloud & infrastructure.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
AWS S3
Scalable object storage by Amazon
Best for you if:
- • You want industry standard
Azure Blob Storage
Object storage by Microsoft Azure
Best for you if:
- • You want azure ecosystem
| At a Glance | AWS S3 | |
|---|---|---|
Starts at | $0.0025/mo S3 Intelligent-Tiering | Custom |
Category | Cloud Storage Data & Databases | Cloud & Infrastructure Data & Databases |
Rating | 4.7/5 Capterra 4.7 · G2 4.6 2,062 reviews | 4.6/5 G2 4.6 109 reviews |
Free plan | No | No |
Watch out for | Retrieval fees for Glacier storage | n/a |
Choose AWS S3 or Azure Blob Storage?
Choose AWS S3 if
- You want industry standard
- You want highly scalable
- You work in cloud storage, not cloud & infrastructure
Choose Azure Blob Storage if
- You want azure ecosystem
- You want enterprise features
- You work in cloud & infrastructure, not cloud storage
In-Depth Analysis
AWS S3
Scalable object storage by Amazon
AWS S3's pricing is generally fair and highly competitive, especially with its diverse storage classes.
Watch out
Retrieval fees for Glacier storage
Strengths
- Pro: Industry standard
- Pro: Highly scalable
- Pro: Strong ecosystem
- Pro: Many features
Weaknesses
- Con: Complex pricing
- Con: AWS lock-in
- Con: Learning curve
Key features
Azure Blob Storage
Object storage by Microsoft Azure
Azure Blob Storage offers competitive pricing, especially with its tiered approach.
Strengths
- Pro: Azure ecosystem
- Pro: Enterprise features
- Pro: Tiered storage
- Pro: Strong compliance
Weaknesses
- Con: Complex pricing
- Con: Azure lock-in
- Con: Learning curve
Key features
Pricing: AWS S3 vs Azure Blob Storage
| Plan | AWS S3 | Azure Blob Storage |
|---|---|---|
| Tier 1 | $0 Free Tier | Usage based Hot |
| Tier 2 | $0.023/GB S3 Standard | Usage based Cool |
| Tier 3 | $0.0025/1000 objects S3 Intelligent-Tiering | Usage based Cold |
| Tier 4 | $0.004/GB S3 Glacier | Usage based Archive |
Pricing verified from each vendor's public pricing page. Compare in detail on AWS S3 pricing and Azure Blob Storage pricing.
Key Takeaways
AWS S3
- Higher user rating: 4.7/5 vs 4.6/5
- Larger review base (2,062 reviews)
- Our pick for this comparison
Azure Blob Storage
- Better fit for cloud & infrastructure
The Bottom Line
AWS S3 wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick.
Frequently Asked Questions
Is AWS S3 or Azure Blob Storage better in 2026?
AWS S3 wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick AWS S3 for cloud storage workflows (main strength: industry standard). Pick Azure Blob Storage for cloud & infrastructure workflows (main strength: azure ecosystem).
What are AWS S3 and Azure Blob Storage used for?
AWS S3: Scalable object storage by Amazon. Azure Blob Storage: Object storage by Microsoft Azure.
What does AWS S3 cost vs Azure Blob Storage?
AWS S3's paid plans start at $0.0025/mo (S3 Intelligent-Tiering). Azure Blob Storage pricing is on their site.
What's the main difference between AWS S3 and Azure Blob Storage?
AWS S3's main strength: industry standard. Azure Blob Storage's main strength: azure ecosystem.