Side by side
Bazel vs GN
Both stand on build automation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWindows
Bazel offers a free build-and-test system with incremental execution, broad language support and multi-platform outputs. Its remote cache and deployment limitations matter for teams deciding how to fit it into their workflows.
Visit Bazel
Free plan LinuxMacWindows
Choose GN if you need a meta-build system for Ninja and can select a version compatible with your project. Look elsewhere if your workflow depends on a stable version that guarantees backward compatibility across projects.
Visit GNThe facts
| Bazel | GN | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | bazel.build | gn.googlesource.com |
| On build automation software | #5 of 42 | #9 of 42 |
Bazel: what it does well
- Caches prior work and rebuilds changed parts.
- Supports parallel builds across several languages.
- Builds outputs for desktop, server, Android and iOS.
- Sandboxing can improve build reproducibility.
- Runs on Linux, macOS and Windows.
What to know first
- Remote cache requires a separately managed backend.
- Remote cache access needs security controls.
- Not well suited to uncached deployment operations.
- Some distribution packages are community-supported, not official.
GN: what it does well
- Generates Ninja build files for several languages.
- Supports multiple target platforms in one invocation.
- Separate output directories keep configurations in parallel.
- Checks dependencies, inputs, and outputs where possible.
- Provides binaries for Linux, macOS, and Windows.
What to know first
- There is no stable version intended for every project.
- New versions do not guarantee backward compatibility.
- Projects must select a compatible GN version.