vioscaleAI
Comparison

Fastly Compute vs OpenFaaS

On the evidence we track, Fastly Compute leads this comparison with a composite score of 54/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Fastly Compute full profile →OpenFaaS full profile →
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★Fastly Compute54
OpenFaaS42
Score
vioscaleAI score
Fastly Compute54 / 100medium · 51%
OpenFaaS42 / 100low · 42%
Pricing
Free tier
Fastly Compute✓
OpenFaaS✓
Model
Fastly Computecommercial
OpenFaaSfreemium
Price level
Fastly Computelow
OpenFaaSlow
Transparent
Fastly Compute✓
OpenFaaS✗
Integrations
Count
Fastly Compute5
OpenFaaS12
Security
Gdpr
Fastly Compute✓
OpenFaaS–
Scorecard
Fastly Compute–
OpenFaaS4.2
Trust center
Vulnerabilities
Reliability
Status page
Fastly Compute✓
OpenFaaS–
Adoption
Dependent repos
Fastly Compute65
OpenFaaS55
Github stars
Fastly Compute226
OpenFaaS26,249
Package downloads weekly
Fastly Compute462,574
OpenFaaS–
Activity
Commits last 30d
Fastly Compute23
OpenFaaS0
Release
Cadence days
Fastly Compute6
OpenFaaS136
History
Fastly Compute20 items
OpenFaaS5 items
License
Spdx
Fastly ComputeApache-2.0
OpenFaaS–
Language
Primary
Fastly ComputeJavaScript
OpenFaaSGo
Market
Availability
Content
Faq
Fastly Compute6 items
OpenFaaS6 items

Capabilities

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

Core
Execution substrate
Fastly ComputeWASM
OpenFaaSContainer
Language / runtime breadth
Fastly ComputeJavaScript, with WebAssembly runtime support
OpenFaaSextensive language support
Reach
Runs at global edge PoPs
Fastly Compute✓
OpenFaaS-
Scale
Scale to zero
Fastly Compute-
OpenFaaS✓
Performance
Cold-start profile
Fastly ComputeLow
OpenFaaS-
Limits
Max execution duration
Fastly Compute-
OpenFaaSextended execution timeouts
Integration
Event source breadth
Fastly Compute-
OpenFaaSHTTP, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS
HTTP endpoint trigger
Fastly Compute✓
OpenFaaS✓
Cron / scheduled invocations
Fastly Compute-
OpenFaaS✓
State
Durable state / workflow primitive
Fastly Compute-
OpenFaaS-
Flexibility
Bring-your-own runtime / container
Fastly Compute-
OpenFaaS✓
Deployment
Hosting
Fastly ComputeCloud only
OpenFaaSCloud + self-hosted
Ops
Built-in logs / metrics / tracing
Fastly Compute✓
OpenFaaS✓
Extensibility
CLI + IaC / framework support
Fastly Compute✓
OpenFaaS✓

What each one is

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

Fastly Compute

Leader

Fastly Compute is a JavaScript runtime and SDK for building applications that run on Fastly's edge network. It includes privacy enablement solutions like MASQUE Relay and OHTTP Relay for anonymizing user traffic and protecting personally identifiable information.

Independently observed

OpenFaaS

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.

Independently observed

Pricing

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

Fastly Compute

Leader
HybridFree tier
  • FreeFree
  • Growth-
  • EnterpriseContact sales
as of verify ↗

OpenFaaS

HybridFree tier14-day trial

Free community edition; subscription-based standard and enterprise tiers

  • Community EditionFree
    • Legacy UI portal
    • REST API
    • Basic metrics & observability
    • Cron trigger
  • Standard14-day trial available; custom pricing
    • Scale to zero
    • Kafka/RabbitMQ/GCP Pub/Sub/PostgreSQL/AWS SNS/SQS triggers
    • UI dashboard
    • Grafana dashboards
    • Kubernetes Custom Resources (CRD)
    • +4 more
  • EnterpriseContact sales
    • Enterprise support with SLA
    • Direct engineering support via Slack
    • Annual architecture review
    • Function Builder REST API
    • Identity and Access Management
    • +3 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Fastly Compute✓
OpenFaaS✓
CLI
Fastly Compute✓
OpenFaaS✓
Deployment
Cloud / SaaS
Fastly Compute✓
OpenFaaS✓
Self-hosted
Fastly Compute✗
OpenFaaS✓
On-premise
Fastly Compute✗
OpenFaaS✓
Hybrid
Fastly Compute✗
OpenFaaS✓
Air-gapped
Fastly Compute✗
OpenFaaS✓

Integrations

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

Fastly Compute

Leader
5 total
  • GitHub Actions
  • Terraform
  • Datadog
  • Splunk
  • S3
Independently observed

OpenFaaS

24 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
  • Kafka
  • AWS SNS/SQS
  • Discord
  • Gumroad
Independently observed
Still deciding?

Fastly Compute or OpenFaaS: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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