ChatGPT does not create photos in a 16:9 aspect ratio

It creates photos in a resolution of 1536x1024, which is not a 16:9 aspect ratio.
How can this be fixed? Is it impossible?

Hi, welcome to the community!

As a users, we cannot fix it.
OpenAI can change it.

Also if you visit to create images on Sora:

https://sora.com/explore/images

You will see options for aspect ratio of images.
There is no other options: