Why was ogen started?

[guettli]

We are looking for a way to generate a Go server from an openapi spec.

We are looking at your project and:

• https://github.com/OpenAPITools/openapi-generator
• https://github.com/deepmap/oapi-codegen

Since the other two projects existed before ogen was started, I am curious:

Why did you start ogen, instead of using one of the existing projects?

[ernado]

Probably https://ogen.dev/blog/ogen-intro can help, there is no 1:1 comparision yet, but we were definitely aware about oapi-codegen when starting the project.

Mostly because of oneOf handling, static typing, router-agnostic, support for string "format"-s like datetime, performance of json encoding and decoding.

Overall, I (and not only me actually) was not satisfied by existing solutions and decided to create a new one.

Also, the OpenAPITools/openapi-generator is in Java and deepmap/oapi-codegen is not so actively maintained as ogen.