vioscaleAI
Comparison

Buildkite vs Semaphore

No clear leader: Buildkite (65.3) and Semaphore (62.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Buildkite full profile →Semaphore full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Buildkite65
Semaphore63
Score
vioscaleAI score
Buildkite65 / 100medium · 72%
Semaphore63 / 100medium · 70%
Pricing
Free tier
Buildkite✓
Semaphore✓
Model
Buildkitefreemium
Semaphorefreemium
Price level
Buildkitelow
Semaphorelow
Transparent
Buildkite✓
Semaphore✗
Integrations
Count
Buildkite25
Semaphore1
Security
Certifications
BuildkiteSOC 2 Type I, SOC 2 Type II
Semaphore–
Disclosure policy
Buildkite✓
Semaphore–
Gdpr
Buildkite✓
Semaphore–
Iso27001
Buildkite–
Semaphore✓
Pci
Buildkite–
Semaphore✓
Soc2
Buildkite✓
Semaphore✓
Trust center
Reliability
Sla pct
Buildkite99.95
Semaphore–
Status page
Buildkite✓
Semaphore✓
Market
Availability
Content
Faq
Buildkite7 items
Semaphore5 items

Capabilities

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

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

What each one is

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

Buildkite

A continuous integration and deployment platform that automates software workflows with support for both cloud-hosted and self-managed build agents, test execution, and artifact management.

Independently observed

Semaphore

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

Independently observed

Pricing

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

Buildkite

SubscriptionFree tier30-day trial

Free tier with 30-day all-access trial. Pro plan per active user/month. Enterprise with custom pricing. Metered usage for hosted agents ($0.004/Linux vCPU-min, $0.02-$0.24/Mac vCPU-min).

  • FreeFree
    • Up to 2,000 Linux vCPU minutes/month
    • Up to 250k test executions/month
    • Dynamic pipelines
    • Community support
    • 1 workflow
  • ProPer active user/month (amount not specified in source)
    • 4,000 Linux vCPU minutes/month included
    • 1M test executions/month
    • macOS agents access
    • Priority email support
    • 250k/month test history
    • +1 more
  • EnterpriseContact sales
    • Full Buildkite platform access
    • 99.95% platform uptime SLA
    • Buildkite-hosted agents with remote Docker builders
    • Private container registry
    • Custom storage and retention policies
    • +8 more
as of verify ↗

Semaphore

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 ↗

Platform & deployment

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

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

Integrations

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

Buildkite

48 total
  • GitHub
  • GitHub Enterprise
  • Bitbucket Server
  • AWS ECR
  • AWS S3
  • AWS CloudFormation
  • AWS IAM
  • AWS CloudWatch
  • Docker
  • Kubernetes
  • Jenkins
  • CircleCI
  • NPM
  • PyPI
  • RubyGems
  • Maven
  • Apt
  • RPM
  • Helm
  • Alpine
  • Jest
  • Mocha
  • Cypress
  • Playwright
  • +24 more
Independently observed

Semaphore

1 total
  • Flowdock
Independently observed
Still deciding?

Buildkite or Semaphore: 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.