# AWS Lambda@Edge vs Azure Functions

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

| Attribute | AWS Lambda@Edge | Azure Functions |
|---|---|---|
| **vioscaleAI score** | 65.8 (73% (medium)) | 44.4 (30% (low)) |
| content.faq | `[{"answer":"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 It is indexed under Serverless & Edge Platforms.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"What is AWS Lambda@Edge?","confidence":0.6},{"answer":"AWS Lambda@Edge offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"Is AWS Lambda@Edge free?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for AWS Lambda@Edge, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"Can AWS Lambda@Edge be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for AWS Lambda@Edge. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as AWS Lambda@Edge not holding them. Always confirm compliance directly before you rely on it.","source":"https://aws.amazon.com/security/?nc2=h_dsc_aa_sec","question":"What security certifications does AWS Lambda@Edge have?","confidence":0.7},{"answer":"AWS Lambda@Edge is available worldwide. The vendor is headquartered in the United States.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"Where is AWS Lambda@Edge available?","confidence":0.75}]` | `[{"answer":"A cloud platform for building and running applications composed of small, independent functions triggered by events, supporting multiple programming languages and eliminating the need to manage infrastructure. It is indexed under Serverless & Edge Platforms.","source":"https://azure.microsoft.com/en-us/pricing/","question":"What is Azure Functions?","confidence":0.6},{"answer":"Azure Functions offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://azure.microsoft.com/en-us/products/functions","question":"Is Azure Functions free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Azure Functions. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://azure.microsoft.com/en-us/pricing/","question":"What platforms does Azure Functions support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Azure Functions, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://azure.microsoft.com/en-us/pricing/","question":"Can Azure Functions be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Azure Functions. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Azure Functions not holding them. Always confirm compliance directly before you rely on it.","source":"https://azure.microsoft.com/en-us/explore/trusted-cloud/","question":"What security certifications does Azure Functions have?","confidence":0.7}]` |
| 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 | A cloud-based serverless compute service that executes code in response to events, supporting multiple programming languages and letting developers focus on business logic rather than infrastructure management. |
| 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,"runtime_substrate":"microvm","observability_builtin":false}` | `{"hosting":"cloud","triggers":"event-driven","languages":".NET, Java, Python, Node.js, and additional languages supported","observability_builtin":true}` |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"CloudFront"},{"name":"Kinesis","native":true,"direction":"outbound"}]` | - |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | - | `{"web":true}` |
| pricing | `{"type":"usage","summary":"Usage-based: $0.20 per million requests; duration costs vary by memory allocation. Free tier: 1 million requests and 400,000 GB-seconds per month.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/lambda/pricing/","retrievedAt":"2026-10-13T10:32:53.263Z"}` | `{"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 | freemium | freemium |
| pricing.price_level | low | unknown |
| pricing.transparent | yes | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |
| security.trust_center | https://aws.amazon.com/compliance/ | https://azure.microsoft.com/en-us/explore/security/ |

## Capabilities (Serverless & Edge Platforms)

| Capability | AWS Lambda@Edge | Azure Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | MicroVM | - |
| 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 | event-driven |
| 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: vioscaleAI. Generated 2026-10-16T19:14:51.103Z. "-" = undocumented, not absent.*