Any way to disable Multi-Model Chats?

Is there a way we can disable multi-model chats in the chat interface for users? I have many non technical users who keep on clicking click the + icon and adding another model to the chat instead of changing the model from dropdown. They will burn our GPUS 😭

https://preview.redd.it/cgt21rad8w4g1.png?width=590&format=png&auto=webp&s=a69bd8d4fd57b382521853205b4b8eab1f98162f