Clarification on Premium LLM selection and potential additional costs when configuring AI responses

Hello everyone,

We are configuring AI features to generate content in Italian. We followed the Oracle documentation explaining how to enable Answers in user's language under Chat Experience tab.

During this activity, we noticed that the selected LLM was set to Premium. However, for agents we have not yet used or customized, the default selection appears to be a non-Premium model.

We are unsure when this change occurs and whether it is related to customization, enabling the language option, or another configuration step.

Could you please clarify:

• Under which conditions does the LLM selection change from non-Premium to Premium?
• Does enabling