Comparison

Semaphore vs Spinnaker

On the evidence we track, Semaphore leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Semaphore63
Spinnaker50
Score
vioscaleAI score
Semaphore63 / 100medium · 70%
Spinnaker50 / 100low · 7%
Pricing
Free tier
Semaphore✓
Spinnaker✓
Model
Semaphorefreemium
Spinnakeropen_source
Price level
Semaphorelow
Spinnakerfree
Transparent
Semaphore✗
Spinnaker–
Integrations
Count
Semaphore1
Spinnaker18
Security
Iso27001
Semaphore✓
Spinnaker–
Pci
Semaphore✓
Spinnaker–
Soc2
Semaphore✓
Spinnaker–
Reliability
Status page
Semaphore✓
Spinnaker–
Content
Faq
Semaphore5 items
Spinnaker5 items

Capabilities

Feature-by-feature on the axes that matter for ci/cd tools. “-” means undocumented, not absent.

Deployment
Hosting
SemaphoreCloud + self-hosted
SpinnakerCloud + self-hosted
Self-hosted runners
Semaphore✓
Spinnaker✓
Core
Config-as-code pipelines
Semaphore✓
Spinnaker-
Matrix / parallel builds
Semaphore✓
Spinnaker-
Build
Container-native builds
Semaphore✓
Spinnaker✓
Performance
Build caching
Semaphore-
Spinnaker-
Security
Secrets management
Semaphore-
Spinnaker-
Delivery
Deployment environments & approvals
Semaphore-
Spinnaker✓
Ecosystem
Reusable actions / marketplace
Semaphore-
Spinnaker-

What each one is

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

Semaphore

Leader

A delivery platform that combines CI/CD capabilities with AI-driven features through a command-line interface.

Independently observed

Spinnaker

An open-source platform that enables rapid and reliable software deployments across multiple cloud environments, providing continuous delivery capabilities for managing software releases.

Independently observed

Pricing

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

Semaphore

Leader
from $0.00/moUsage-basedFree tier

Pay-per-minute metered compute: $0.0025/min (self-hosted) to $0.09/min (MacOS). Includes 20 concurrent jobs, $15/month free credits, 9.6 GB cache, and free support. Optional modular support and success services.

  • Compute - Ubuntu ARM$0.003–$0.012/min depending on vCPU
  • Compute - Ubuntu x64$0.0075–$0.015/min depending on vCPU
  • Compute - MacOS$0.09/min
  • Compute - Self-Hosted$0.0025/min
as of verify ↗

Spinnaker

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
Semaphore✗
Spinnaker✓
CLI
Semaphore✓
Spinnaker✗
Deployment
Cloud / SaaS
Semaphore✓
Spinnaker✗
Self-hosted
Semaphore✓
Spinnaker✓

Integrations

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

Semaphore

Leader
1 total
  • Flowdock
Independently observed

Spinnaker

18 total
  • Jenkins
  • Travis CI
  • Docker
  • Git
  • AWS EC2
  • Kubernetes
  • Google Compute Engine
  • Google Kubernetes Engine
  • Google App Engine
  • Microsoft Azure
  • OpenStack
  • Cloud Foundry
  • Oracle Cloud Infrastructure
  • DC/OS
  • GitHub
  • GitHub Teams
  • Google Groups
  • Azure Groups
Independently observed
Still deciding?

Semaphore or Spinnaker: 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.