For the record, you should never use that in an application. Always explicitly note the full versioned model name. This will prevent bad surprises because not every new version is an improvement; sometimes they get worse, especially at specific tasks.

We'll update gpt-4o in 3 weeks. (We've always updated it couple weeks after launch, so no one is immediately surprised by a new model drop.)

>We will give a 3-week notice before updating gpt-4o to point to the new snapshot gpt-4o-2024-08-06.

Source: https://platform.openai.com/docs/models/gpt-4o

The un-postfixed version will point to the older model for the next 3 weeks their docs say