Changing model name when hitting tool

[danielbeckera]

Hello,
Currently, I'm using gpt-turbo-3.5 as my model, but it's not great for my specific use.
When a tool is triggered, I would like to start using Da Vinci instead, is it possible to do?
I can't use Da Vinci from the start because is too expensive.
For regular talking, I want to use gpt-turbo-3.5, but as soon as a tool is triggered, switch to da Vinci.
Any ideas?
Thanks in advance.