Comparison

OpenFaaS vs Vercel Functions

On the evidence we track, Vercel Functions leads this comparison with a composite score of 92/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
OpenFaaS41
Vercel Functions92
Score
Vioscale score
OpenFaaS41 / 100low · 42%
Vercel Functions92 / 100medium · 61%
Pricing
Free tier
OpenFaaS
Vercel Functions
Model
OpenFaaScommercial
Vercel Functionscommercial
Price level
OpenFaaSlow
Vercel Functionslow
Transparent
OpenFaaS
Vercel Functions
Integrations
Count
OpenFaaS20
Vercel Functions
Security
Disclosure policy
OpenFaaS
Vercel Functions
Gdpr
OpenFaaS
Vercel Functions
Hipaa
OpenFaaS
Vercel Functions
Iso27001
OpenFaaS
Vercel Functions
Pci
OpenFaaS
Vercel Functions
Scorecard
OpenFaaS4.3
Vercel Functions
Soc2
OpenFaaS
Vercel Functions
Reliability
Sla pct
OpenFaaS
Vercel Functions99.99
Status page
OpenFaaS
Vercel Functions
Adoption
Dependent repos
OpenFaaS55
Vercel Functions
Github stars
OpenFaaS26,231
Vercel Functions
Activity
Commits last 30d
OpenFaaS0
Vercel Functions
Release
Cadence days
OpenFaaS136
Vercel Functions
History
OpenFaaS5 items
Vercel Functions
Language
Primary
OpenFaaSGo
Vercel Functions
Market
Availability
Vercel Functions

Capabilities

Feature-by-feature on the axes that matter for serverless & edge platforms. “-” means undocumented, not absent.

Core
Execution substrate
OpenFaaS-
Vercel Functions-
Language / runtime breadth
OpenFaaSextensive language support
Vercel FunctionsNode.js, Python, Go, and more
Reach
Runs at global edge PoPs
OpenFaaS-
Vercel Functions
Scale
Scale to zero
OpenFaaS-
Vercel Functions
Performance
Cold-start profile
OpenFaaS-
Vercel FunctionsLow
Limits
Max execution duration
OpenFaaSextended execution timeouts
Vercel Functions-
Integration
Event source breadth
OpenFaaS-
Vercel FunctionsHTTP (GET, POST)
HTTP endpoint trigger
OpenFaaS-
Vercel Functions
Cron / scheduled invocations
OpenFaaS-
Vercel Functions-
State
Durable state / workflow primitive
OpenFaaS-
Vercel Functions-
Flexibility
Bring-your-own runtime / container
OpenFaaS
Vercel Functions-
Deployment
Hosting
OpenFaaSCloud + self-hosted
Vercel FunctionsCloud only
Ops
Built-in logs / metrics / tracing
OpenFaaS-
Vercel Functions
Extensibility
CLI + IaC / framework support
OpenFaaS-
Vercel Functions

What each one is

The product in its own terms, so the numbers below have context.

OpenFaaS

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.

Independently observed

Vercel Functions

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

OpenFaaS

from $1250/moHybridFree tier14-day trial

Community Edition free; Standard from $1,250/month with 14-day trial; Enterprise custom pricing

  • Community EditionFree
    • 15 functions
    • 1 namespace
    • Public repositories only
    • Basic autoscaling up to 5/5 replicas
    • Basic metrics & observability
    • +3 more
  • OpenFaaS Standard$1,250/month
    • 500 functions
    • 1 namespace
    • Private registries for functions
    • Fine-tuned autoscaling for RPS, Capacity & CPU
    • Scale to Zero
    • +9 more
  • OpenFaaS for EnterprisesContact sales
    • 5000 functions per namespace
    • Unlimited namespaces
    • Multi-tenancy with secure isolation (gVisor)
    • Function Builder API (REST)
    • Dedicated async queues (JetStream)
    • +9 more
as of verify ↗

Vercel Functions

Leader
Usage-basedFree tier

Free Hobby tier with monthly included usage; Pro tier with usage-based billing

  • HobbyFree
  • Pro-
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
OpenFaaS
Vercel Functions
Linux
OpenFaaS
Vercel Functions
CLI
OpenFaaS
Vercel Functions
Deployment
Cloud / SaaS
OpenFaaS
Vercel Functions
Self-hosted
OpenFaaS
Vercel Functions
On-premise
OpenFaaS
Vercel Functions

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

OpenFaaS

20 total
  • Apache Kafka
  • AWS SQS
  • AWS SNS
  • GCP Pub/Sub
  • RabbitMQ
  • PostgreSQL
  • MQTT
  • Cron
  • Grafana
  • Istio
  • Linkerd
  • NATS JetStream
  • GitHub
  • Slack
  • Salesforce
  • Zoom
  • Google Docs
  • Gmail
  • DigitalOcean
  • Crunchbase
Independently observed

Vercel Functions

Leader

Not documented yet.

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

OpenFaaS vs Vercel Functions: an evidence-based comparison · Vioscale