oapi-codegen vs Swagger Codegen
oapi-codegen
github.comSwagger Codegen
swagger.ioSide by side
| Figure | oapi-codegen | Swagger Codegen |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | Yes |
| Web | — | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 2 |
| Spec score · API Generation Software | 7.5 (#12) | 8.3 (#3) |
| Spec score · Code Generators | 7.5 (#24) | 8.3 (#9) |
| Customization | Generated Go templates can be overridden, and supported OpenAPI extensions can customize generated types, names, JSON behavior, and struct tags. | Users can replace Mustache templates with their own directory and create custom generator modules using the meta command. |
| Purpose | oapi-codegen is a command-line tool and library that converts OpenAPI specifications into Go server implementations, API clients, and HTTP models. | Swagger Codegen generates API client libraries, server stubs, and documentation from OpenAPI specifications. |
| Server generation | It generates server boilerplate for Chi, Echo, Echo v5, Fiber, Fiber v3, Gin, gorilla/mux, Iris, and net/http. | The product generates boilerplate server code in more than 20 languages. |
Plans
In their own words
oapi-codegen
oapi-codegen has no write-up on Specifiction yet; its figures are above.
Swagger Codegen
Swagger Codegen is an open-source tool that generates API client libraries, server stubs and documentation from OpenAPI specifications. Its template-driven engine parses OpenAPI or Swagger definitions and produces project code from schemas. Swagger states that it can generate client SDKs in over 40 languages and server boilerplate in over 20. Listed capabilities include OpenAPI import, schema-to-code generation, project scaffolding, custom templates, an interactive API reference, code samples and a command-line interface. Outputs and integrations include HTML and Confluence Wiki documentation, Apache2 configuration files and JMeter. The project is available from GitHub under the Apache-2.0 license, with a hosted option through SwaggerHub. SwaggerHub can generate code in a selected language and push it to source-control repositories. Supported client targets include C#, Dart, Go, Java, JavaScript, Kotlin, PHP, Python, R, Ruby, Scala, Swift and TypeScript variants. Server targets include ASP.NET Core, Go, Java Vert.x and JAX-RS options. The repository warns that untrusted descriptions may cause code injection.