vioscaleAI
Comparison

CircleCI vs Concourse CI

On the evidence we track, CircleCI leads this comparison with a composite score of 76/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

CircleCI full profile →Concourse CI full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★CircleCI76
Concourse CI53
Score
vioscaleAI score
CircleCI76 / 100medium · 74%
Concourse CI53 / 100medium · 50%
Pricing
Free tier
CircleCI✓
Concourse CI✓
Model
CircleCIfreemium
Concourse CIopen_source
Price level
CircleCImid
Concourse CIfree
Starting price
CircleCI$15
Concourse CI–
Transparent
CircleCI✓
Concourse CI–
Integrations
Count
CircleCI15
Concourse CI4
Security
Disclosure policy
CircleCI✓
Concourse CI–
Fedramp
CircleCI✓
Concourse CI–
Gdpr
CircleCI✓
Concourse CI–
Iso27001
CircleCI✓
Concourse CI–
Pci
CircleCI✓
Concourse CI–
Scorecard
CircleCI–
Concourse CI6.4
Soc2
CircleCI✓
Concourse CI–
Vulnerabilities
Reliability
Status page
CircleCI✓
Concourse CI–
Adoption
Dependent repos
CircleCI–
Concourse CI22
Github stars
CircleCI–
Concourse CI7,916
Stackoverflow questions
CircleCI8,600
Concourse CI–
Activity
Commits last 30d
CircleCI–
Concourse CI55
Release
Cadence days
CircleCI–
Concourse CI20
History
CircleCI–
Concourse CI20 items
License
Spdx
CircleCI–
Concourse CIApache-2.0
Language
Primary
CircleCI–
Concourse CIGo
Market
Availability
Content
Faq
CircleCI8 items
Concourse CI4 items
Hosting
Model
CircleCIcloud
Concourse CI–

Capabilities

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

Deployment
Hosting
CircleCICloud + self-hosted
Concourse CISelf-hosted only
Self-hosted runners
CircleCI✓
Concourse CI✓
Core
Config-as-code pipelines
CircleCI✓
Concourse CI✓
Matrix / parallel builds
CircleCI✓
Concourse CI-
Build
Container-native builds
CircleCI✓
Concourse CI✓
Performance
Build caching
CircleCI✓
Concourse CI-
Security
Secrets management
CircleCI✓
Concourse CI-
Delivery
Deployment environments & approvals
CircleCI✓
Concourse CI-
Ecosystem
Reusable actions / marketplace
CircleCI✓
Concourse CI-

What each one is

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

CircleCI

Leader

A continuous integration and deployment service that automates software testing, building, and deployment across multiple compute environments, with intelligent workflow orchestration and parallel execution capabilities.

Independently observed

Concourse CI

An open-source Go-based system that executes containerized automation tasks, commonly used for continuous integration and delivery pipelines at any scale.

Independently observed

Pricing

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

CircleCI

Leader
from $15/moUsage-basedFree tier

Free plan with 30k monthly credits. Performance plan starts at $15/month with usage-based pricing for additional credits.

  • FreeFree
    • 30,000 free credits/month
    • Docker, Windows, Linux, Arm, macOS environments
    • Self-hosted runners
    • Docker layer caching
    • Deploys
    • +3 more
  • Performance$15/month + $0.60 per 1,000 additional credits
    • 30,000 free credits/month included
    • All compute environments including GPU
    • Docker layer caching
    • Deploys
    • Single sign-on (SSO)
    • +4 more
as of verify ↗

Concourse CI

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
CircleCI✓
Concourse CI✓
CLI
CircleCI✓
Concourse CI✓
Deployment
Cloud / SaaS
CircleCI✓
Concourse CI✓
Self-hosted
CircleCI✓
Concourse CI✓

Integrations

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

In common (2)
  • GitHub
  • Docker

CircleCI

Leader
18 total - 16 not shared
  • AWS
  • AWS ECS
  • AWS ECR
  • AWS EKS
  • AWS S3
  • AWS Lambda
  • Heroku
  • Netlify
  • OpenID Connect
  • Vault
  • GCP
  • Stripe
  • MCP
  • Firebase Distribution
  • Fastlane
  • Rollbar
Independently observed

Concourse CI

4 total - 2 not shared
  • Open Policy Agent
  • Git
Independently observed
Still deciding?

CircleCI or Concourse CI: 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.