Object access, file access & analytics
Amazon S3 Object Lambda: Azure equivalent
Azure has no equivalent of S3 Object Lambda, and Object Lambda itself has been closed to new customers since Nov 7, 2025.
On both clouds, put a function or CDN logic in front of the storage instead.
Side-by-side comparison
| Aspect | Amazon Web Services | Microsoft Azure |
|---|---|---|
| Service | Amazon S3 Object Lambda Maintenance | No first-party equivalent |
| Lifecycle | Since Nov 7, 2025, available only to existing customers and select APN partners. | — |
| What it is | Lambda functions that transform objects as they're returned from GET, HEAD, and LIST requests. | — |
| Pricing model | Existing customers pay Lambda charges, a per-GB data-returned fee, and S3 requests. | Not applicable. |
| Docs | Amazon S3 Object Lambda docs | — |
| Pricing page | Amazon S3 Object Lambda pricing | — |
| Exams | SAA-C03 | AZ-305 |
Key differences
- AWS's suggested alternatives include CloudFront with Lambda (for example, the Dynamic Image Transformation solution) or calling Lambda directly. On Azure, the usual pattern is Azure Functions behind API Management or Front Door, reading from Blob Storage.
Pricing summary
Pricing models only. No prices are quoted because they change by region and over time.
- AWS
- Existing customers pay Lambda charges, a per-GB data-returned fee, and S3 requests. Amazon S3 Object Lambda pricing →
- Azure
- Not applicable.
Certification exam mapping
| Exam | Provider | Level | Status |
|---|---|---|---|
| AWS Certified Solutions Architect – Associate SAA-C03 | AWS | Associate | current Italian version retires after Dec 31, 2026. |
| Microsoft Certified – Azure Solutions Architect Expert AZ-305 | Azure | Expert | current English version updated Apr 17, 2026. |
Relevance is based on each exam's published scope, not a line-by-line objective match. Check the official study guide.
FAQ
Does Azure have an equivalent to Amazon S3 Object Lambda?
Azure has no equivalent of S3 Object Lambda, and Object Lambda itself has been closed to new customers since Nov 7, 2025. On both clouds, put a function or CDN logic in front of the storage instead.
How does pricing compare between Amazon S3 Object Lambda and Azure?
AWS: Existing customers pay Lambda charges, a per-GB data-returned fee, and S3 requests. Azure: Not applicable. Check the official pricing pages for current rates.
Which certification exams cover this topic?
AWS Certified Solutions Architect – Associate (SAA-C03); Microsoft Certified – Azure Solutions Architect Expert (AZ-305).