# OpenFaaS vs Vercel Functions

**Leader by vioscaleAI score:** Vercel Functions

| Attribute | OpenFaaS | Vercel Functions |
|---|---|---|
| **vioscaleAI score** | 41.7 (42% (low)) | 90.2 (62% (medium)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 55 | - |
| adoption.github_stars | 26,249 | - |
| content.faq | `[{"answer":"Open-source serverless framework that abstracts cloud provider differences, allowing you to deploy and run functions across multiple clouds, on-premises, and Kubernetes with extended execution timeouts and support for many programming languages. It is indexed under Serverless & Edge Platforms.","source":"https://www.openfaas.com/","question":"What is OpenFaaS?","confidence":0.6},{"answer":"OpenFaaS offers a free tier, so you can start without paying. Paid plans start at $1250 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.openfaas.com/pricing/","question":"Is OpenFaaS free?","confidence":0.6},{"answer":"OpenFaaS supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.openfaas.com/pricing/","question":"What platforms does OpenFaaS support?","confidence":0.6},{"answer":"Yes. OpenFaaS can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.openfaas.com/","question":"Can OpenFaaS be self-hosted?","confidence":0.6},{"answer":"We have confirmed 20 integrations for OpenFaaS, including Apache Kafka, AWS SQS, AWS SNS, GCP Pub/Sub, RabbitMQ, PostgreSQL, MQTT and Cron, plus 12 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.openfaas.com/pricing/","question":"What does OpenFaaS integrate with?","confidence":0.6},{"answer":"OpenFaaS is available worldwide. The vendor is headquartered in the United Kingdom.","source":"https://www.openfaas.com/","question":"Where is OpenFaaS available?","confidence":0.75}]` | `[{"answer":"Build and deploy API routes, webhooks, and request handlers without managing servers. Functions automatically scale with traffic, support multiple programming languages, and include built-in observability. It is indexed under Serverless & Edge Platforms.","source":"https://vercel.com/docs/image-optimization/legacy-pricing","question":"What is Vercel Functions?","confidence":0.6},{"answer":"Vercel Functions offers a free tier, so you can start without paying. Paid plans are also available: Hobby and Pro. Pricing changes often, so verify at source before relying on it.","source":"https://vercel.com/docs/functions","question":"Is Vercel Functions free?","confidence":0.6},{"answer":"Vercel Functions supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://vercel.com/docs/image-optimization/legacy-pricing","question":"What platforms does Vercel Functions support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Vercel Functions, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://vercel.com/docs/image-optimization/legacy-pricing","question":"Can Vercel Functions be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Vercel Functions. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Vercel Functions not holding them. Always confirm compliance directly before you rely on it.","source":"https://vercel.com/security","question":"What security certifications does Vercel Functions have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | A framework for deploying functions to Kubernetes with automatic scaling, event-driven triggers, multi-tenancy support, and enterprise features including SSO, RBAC, and direct engineering support. | A serverless functions platform for building and deploying API routes, webhooks, and event handlers. Supports multiple runtimes with built-in observability and local testing via CLI. |
| features.capabilities | `{"hosting":"both","triggers":"HTTP, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS","languages":"extensive language support","cli_and_iac":true,"http_trigger":true,"max_duration":"extended execution timeouts","scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"runtime_substrate":"container","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 | 12 | - |
| integrations.list | `[{"name":"Apache Kafka"},{"name":"AWS SQS"},{"name":"AWS SNS"},{"name":"GCP Pub/Sub"},{"name":"RabbitMQ"},{"name":"PostgreSQL"},{"name":"MQTT"},{"name":"Cron"},{"name":"Grafana"},{"name":"Istio"},{"name":"Linkerd"},{"name":"NATS JetStream"},{"name":"GitHub"},{"name":"Slack"},{"name":"Salesforce"},{"name":"Zoom"},{"name":"Google Docs"},{"name":"Gmail"},{"name":"DigitalOcean"},{"name":"Crunchbase"},{"name":"Kafka","native":true,"category":"event","direction":"inbound"},{"name":"AWS SNS/SQS","native":true,"category":"event","direction":"inbound"},{"name":"Discord","native":false,"category":"chat","direction":"outbound"},{"name":"Gumroad","native":false,"category":"commerce","direction":"outbound"}]` | - |
| language.primary | Go | - |
| market.availability | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Community Edition","summary":"Free for personal use; 60-day limit for commercial use","features":["Legacy UI portal","REST API","Basic metrics & observability","Cron trigger"],"description":"Personal use with 60-day commercial restriction","contactSales":false},{"free":false,"name":"Standard","summary":"14-day trial available; custom pricing","features":["Scale to zero","Kafka/RabbitMQ/GCP Pub/Sub/PostgreSQL/AWS SNS/SQS triggers","UI dashboard","Grafana dashboards","Kubernetes Custom Resources (CRD)","Air-gapped/offline deployment","Self-service email support","Multi-tenant hosting","Namespace sandboxing"],"contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing; requires separate support agreement","features":["Enterprise support with SLA","Direct engineering support via Slack","Annual architecture review","Function Builder REST API","Identity and Access Management","Single Sign-On (OpenID Connect)","Role-Based Access Control","API audit logging via webhooks"],"contactSales":true}],"summary":"Free community edition; subscription-based standard and enterprise tiers","freeTier":true,"sourceUrl":"https://www.openfaas.com/pricing/","retrievedAt":"2026-10-15T20:23:16.138Z","freeTrialDays":14}` | `{"type":"hybrid","plans":[{"free":true,"name":"Hobby","summary":"Free","features":["12K function invocations/month","Image optimization","Speed Insights","Web Analytics"],"description":"Free tier with limited included resources","contactSales":false,"includedLimits":{"function_invocations":"12k/mo","image_transformations":"5k/mo","speed_insights_events":"10k"}},{"free":false,"name":"Pro","summary":"Monthly. 1M included invocations. Usage-based overages.","features":["1M function invocations included","Usage-based pricing for overages","Observability Plus option","Multiple runtime support"],"commitment":"monthly","components":[{"per":{"qty":1,"unit":"M invocations"},"kind":"metered","amount":2.75,"currency":"USD"},{"per":{"qty":1,"unit":"M events"},"kind":"metered","amount":1.2,"currency":"USD"}],"description":"Monthly subscription with high invocation limit and usage-based overages","contactSales":false,"includedLimits":{"function_invocations":"1M/mo"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","description":"Custom pricing and capabilities","contactSales":true}],"addOns":[{"name":"Observability Plus","components":[{"per":{"qty":1,"unit":"M events"},"kind":"metered","amount":1.2,"currency":"USD"}]},{"name":"Web Analytics Plus"},{"name":"Speed Insights","components":[{"per":{"qty":10000,"unit":"events"},"kind":"metered","amount":0.65,"currency":"USD"}]}],"summary":"Hobby free tier. Pro monthly subscription with 1M invocations included. Usage-based pricing for overages and add-on services.","currency":"USD","freeTier":true,"sourceUrl":"https://vercel.com/docs/pricing","retrievedAt":"2026-10-05T11:05:59.418Z","startingPrice":{"unit":"M events","amount":1.2,"currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | - | `{"amount":1.2,"currency":"USD"}` |
| pricing.transparent | no | yes |
| release.cadence_days | 136 | - |
| release.history | `[{"url":"https://github.com/openfaas/faas/releases/tag/0.27.14","date":"2026-07-02T09:09:13Z","type":"prerelease","version":"0.27.14"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.13","date":"2025-08-29T14:24:04Z","type":"stable","version":"0.27.13"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.12","date":"2024-12-09T09:51:08Z","type":"stable","version":"0.27.12"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.11","date":"2024-11-29T14:52:05Z","type":"stable","version":"0.27.11"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.10","date":"2024-11-18T21:47:16Z","type":"stable","version":"0.27.10"}]` | - |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.pci | - | yes |
| security.scorecard | 4.2 | - |
| security.soc2 | - | yes |
| security.trust_center | - | https://vercel.com/docs/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopenfaas%2Ffaas&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Serverless & Edge Platforms)

| Capability | OpenFaaS | Vercel Functions |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | Container | - |
| Language / runtime breadth | extensive language support | Node.js, Python, Go, and more |
| **Reach** |  |  |
| Runs at global edge PoPs | - | ✓ |
| **Scale** |  |  |
| Scale to zero | ✓ | ✓ |
| **Performance** |  |  |
| Cold-start profile | - | Low |
| **Limits** |  |  |
| Max execution duration | extended execution timeouts | - |
| **Integration** |  |  |
| Event source breadth | HTTP, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS | HTTP (GET, POST) |
| HTTP endpoint trigger | ✓ | ✓ |
| Cron / scheduled invocations | ✓ | - |
| **State** |  |  |
| Durable state / workflow primitive | - | - |
| **Flexibility** |  |  |
| Bring-your-own runtime / container | ✓ | - |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud only |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | ✓ | ✓ |
| **Extensibility** |  |  |
| CLI + IaC / framework support | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:10:29.773Z. "-" = undocumented, not absent.*