Comparison

Bazel vs Concourse CI

On the evidence we track, Bazel leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

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★Bazel62
Concourse CI53
Score
vioscaleAI score
Bazel62 / 100low · 42%
Concourse CI53 / 100medium · 50%
Pricing
Free tier
Bazel✓
Concourse CI✓
Model
Concourse CIopen_source
Price level
Bazelfree
Concourse CIfree
Transparent
Bazel✓
Concourse CI–
Integrations
Count
Bazel–
Concourse CI4
Adoption
Dependent repos
Bazel3
Concourse CI22
Github stars
Bazel25,942
Concourse CI7,916
Activity
Commits last 30d
Bazel100
Concourse CI55
Release
Cadence days
Bazel4
Concourse CI20
History
Concourse CI20 items
License
Spdx
Concourse CIApache-2.0
Language
Primary
BazelJava
Concourse CIGo
Content
Faq
Bazel5 items
Concourse CI4 items

Capabilities

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

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

What each one is

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

Bazel

Leader

An open-source build and test system designed to efficiently compile and test projects written in multiple programming languages while supporting builds for different target platforms. It uses intelligent caching and parallel execution to speed up builds and scales to handle large codebases across multiple repositories.

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.

Bazel

Leader
Open sourceFree tier
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
Bazel✗
Concourse CI✓
macOS
Bazel✓
Concourse CI✗
Windows
Bazel✓
Concourse CI✗
Linux
Bazel✓
Concourse CI✗
CLI
Bazel✓
Concourse CI✓
Deployment
Cloud / SaaS
Bazel✗
Concourse CI✓
Self-hosted
Bazel✓
Concourse CI✓
On-premise
Bazel✓
Concourse CI✗
Hybrid
Bazel✓
Concourse CI✗

Integrations

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

Bazel

Leader

Not documented yet.

Concourse CI

4 total
  • Open Policy Agent
  • GitHub
  • Git
  • Docker
Independently observed
Still deciding?

Bazel 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.