Using reverse engineering to call the model within the official application and convert it into an API. You can use any of the official GPTs.
Usage method:
Find the URL of the GPTs, for example, https://chat.openai.com/g/g-9tO10WKi2-devrel-guide
Connect with the model, gpt-4-gizmo-g-9tO10WKi2, let’s get started!