Side by side
OpenAPI Generator vs Swagger Codegen
Both stand on api generation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacSelf-hosted+2
OpenAPI Generator covers client, server-stub, and documentation generation, with options to customize output and integrate with common build workflows. Check the installation route and runtime requirements that fit your environment before choosing it.
Visit OpenAPI Generator Free plan Open source APILinuxMac+3
Swagger Codegen can turn API specifications into client libraries, server stubs, and documentation, with both GitHub and SwaggerHub availability. Review untrusted definitions before generating code.
Visit Swagger CodegenThe facts
| OpenAPI Generator | Swagger Codegen | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Linux, Mac, Self-hosted, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | openapi-generator.tech | swagger.io |
| On api generation software | #6 of 25 | #2 of 25 |
OpenAPI Generator: what it does well
- Generates clients from OpenAPI 2.0 and 3.x documents.
- Offers more than 50 client generators.
- Supports Mustache templates and custom generators.
- CLI installation options cover Linux, macOS, and Windows.
- Documents Gradle, Maven, sbt, Bazel, GitHub, and CI/CD integrations.
What to know first
- The JAR installation requires Java 11 or later.
- Homebrew is listed for macOS only.
- Scoop is listed for Windows only.
Swagger Codegen: what it does well
- Generates client SDKs in over 40 languages.
- Generates server boilerplate in over 20 languages.
- Supports custom templates and project scaffolding.
- Free and licensed under Apache-2.0.
What to know first
- Untrusted API definitions may cause code injection.
- Version 2.4.46 supports through OpenAPI 2.0.
- Generated inputs should be reviewed before code generation.
Alternatives to OpenAPI Generator Alternatives to Swagger Codegen The whole list