# AWS Lambda@Edge vs Azure Functions

**Leader by Vioscale score:** AWS Lambda@Edge

| Attribute | AWS Lambda@Edge | Azure Functions |
|---|---|---|
| **Vioscale score** | 55.9 (63% (medium)) | 40.2 (32% (low)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A CloudFront feature that executes serverless code at AWS edge locations worldwide, reducing latency and enabling dynamic content delivery without provisioning or managing origin infrastructure | Azure Functions enables serverless code execution triggered by events. Design and deploy applications in your language of choice while focusing on business logic. |
| features.capabilities | `{"hosting":"cloud","triggers":"CloudFront events (viewer request, viewer response, origin request, origin respo","http_trigger":true,"scale_to_zero":true,"scheduled_cron":false,"edge_distributed":true,"observability_builtin":false}` | `{"hosting":"cloud","languages":".NET, Java, Python, Node.js, and additional languages supported","observability_builtin":true}` |
| integrations.count | 1 | - |
| integrations.list | `[{"name":"CloudFront"}]` | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | - | `{"web":true}` |
| pricing | `{"type":"usage","summary":"Pay-per-use based on compute time consumed; no charge when code is not running","currency":"USD","sourceUrl":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","retrievedAt":"2026-08-14T11:04:40.446Z"}` | `{"type":"usage","summary":"Consumption-based pricing","sourceUrl":"https://azure.microsoft.com/en-us/products/functions","retrievedAt":"2026-08-01T15:33:43.454Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | unknown | unknown |
| pricing.transparent | no | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |

## Capabilities (Serverless & Edge Platforms)

| Capability | AWS Lambda@Edge | Azure Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | - | - |
| Language / runtime breadth | - | .NET, Java, Python, Node.js, and additional languages supported |
| **Reach** |  |  |
| Runs at global edge PoPs | ✓ | - |
| **Scale** |  |  |
| Scale to zero | ✓ | - |
| **Performance** |  |  |
| Cold-start profile | - | - |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | CloudFront events (viewer request, viewer response, origin request, origin respo | - |
| HTTP endpoint trigger | ✓ | - |
| Cron / scheduled invocations | ✗ | - |
| **State** |  |  |
| Durable state / workflow primitive | - | - |
| **Flexibility** |  |  |
| Bring-your-own runtime / container | - | - |
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud only |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | ✗ | ✓ |
| **Extensibility** |  |  |
| CLI + IaC / framework support | - | - |

*Source: Vioscale. Generated 2026-09-01T15:48:38.148Z. "-" = undocumented, not absent.*