vioscaleAI
Comparison

Harness vs Semaphore

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.

Harness full profile →Semaphore full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Harness51
★Semaphore63
Score
vioscaleAI score
Harness51 / 100low · 24%
Semaphore63 / 100medium · 70%
Pricing
Free tier
Harness✓
Semaphore✓
Model
Harnessopen_source
Semaphorefreemium
Price level
Harnessfree
Semaphorelow
Transparent
Harness✗
Semaphore✗
Integrations
Count
Harness27
Semaphore1
Security
Certifications
HarnessSOC 2
Semaphore–
Iso27001
Harness–
Semaphore✓
Pci
Harness–
Semaphore✓
Soc2
Harness✓
Semaphore✓
Trust center
Reliability
Status page
Harness✓
Semaphore✓
Market
Availability
HarnessAvailable worldwide · HQ US
Semaphore–
Content
Faq
Harness7 items
Semaphore5 items

Capabilities

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

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

What each one is

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

Harness

An open-source development infrastructure combining version control, automated pipelines, hosted development environments, and artifact management in a single system.

Independently observed

Semaphore

Leader

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.

Harness

HybridFree tier

Free tier available. Essentials and Enterprise plans require contacting sales.

  • FreeFree
    • Harness Open Source
    • Litmus Chaos
    • Community support
  • EssentialsContact sales
    • CI
    • CD
    • Infrastructure as Code
    • Security Testing Orchestration
    • Standard support
  • EnterpriseContact sales
    • Feature Management & Experimentation
    • Database DevOps
    • Artifact Registry
    • Resilience Testing
    • Application Security Testing
    • +6 more
as of verify ↗

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 ↗

Platform & deployment

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

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

Integrations

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

Harness

32 total
  • Google Analytics
  • mParticle
  • Segment
  • Sentry
  • Datadog
  • Jira
  • New Relic
  • Sumo Logic
  • GitHub
  • GitLab
  • Bitbucket
  • Jenkins
  • Kubernetes
  • AWS
  • Azure
  • Google Cloud
  • Dynatrace
  • ServiceNow
  • Slack
  • Microsoft Teams
  • Terraform
  • OpenTofu
  • Terragrunt
  • Snyk
  • +8 more
Independently observed

Semaphore

Leader
1 total
  • Flowdock
Independently observed
Still deciding?

Harness 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.