# AWS Lambda vs Vercel Functions

**Leader by Vioscale score:** Vercel Functions

| Attribute | AWS Lambda | Vercel Functions |
|---|---|---|
| **Vioscale score** | 66.5 (73% (medium)) | 91.9 (61% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A serverless compute service that automatically scales in response to demand and reduces to zero during idle periods. Execute code triggered by events from AWS services and external applications with built-in security, monitoring, and support for multiple programming languages. | Serverless function execution with automatic optimization, multi-runtime support (Node.js, Python, Go, etc.), regional deployment options, and built-in observability for monitoring invocations and costs. |
| features.capabilities | `{"hosting":"cloud","triggers":"220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams","languages":"Python, Node.js, Java, C#, Go, Ruby, custom runtimes","cold_start":"provisioned","cli_and_iac":true,"http_trigger":true,"durable_state":true,"scale_to_zero":true,"custom_runtime":true,"observability_builtin":true}` | `{"hosting":"cloud","triggers":"HTTP (GET, POST)","languages":"Node.js, Python, Go, and more","cold_start":"low","cli_and_iac":true,"http_trigger":true,"scale_to_zero":true,"edge_distributed":true,"observability_builtin":true}` |
| integrations.count | 220 | - |
| integrations.list | `[{"name":"AWS S3"},{"name":"AWS DynamoDB"},{"name":"AWS Kinesis"},{"name":"AWS SQS"},{"name":"AWS EventBridge"},{"name":"Amazon MSK"},{"name":"AWS CloudWatch"},{"name":"AWS X-Ray"}]` | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","summary":"Pay-per-use billing with free tier included.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/ec2/pricing/?nc2=h_pr_ec2","retrievedAt":"2026-08-14T16:36:41.740Z","billingPeriods":["month"]}` | `{"type":"usage","plans":[{"free":true,"name":"Hobby","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"active_cpu":"4 hours/month","invocations":"1 million/month","provisioned_memory":"360 GB-hrs/month"}},{"free":false,"name":"Pro","description":"Pay-per-use consumption beyond Hobby plan limits","contactSales":false}],"summary":"Free Hobby tier with monthly included usage; Pro tier with usage-based billing","currency":"USD","freeTier":true,"sourceUrl":"https://vercel.com/docs/functions","retrievedAt":"2026-08-01T15:44:05.076Z","billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | low |
| pricing.transparent | no | yes |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | yes | yes |
| security.pci | yes | yes |
| security.soc2 | yes | yes |

## Capabilities (Serverless & Edge Platforms)

| Capability | AWS Lambda | Vercel Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | - | - |
| Language / runtime breadth | Python, Node.js, Java, C#, Go, Ruby, custom runtimes | Node.js, Python, Go, and more |
| **Reach** |  |  |
| Runs at global edge PoPs | - | ✓ |
| **Scale** |  |  |
| Scale to zero | ✓ | ✓ |
| **Performance** |  |  |
| Cold-start profile | Provisioned concurrency | Low |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | 220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams | HTTP (GET, POST) |
| 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 2026-09-01T15:01:36.289Z. "-" = undocumented, not absent.*