Suprmind and MultipleChat both offer a solid five-model chat setup, starting at...

https://bizzmarkblog.com/does-suprmind-have-a-pptx-export-like-multiplechat-presentation-studio/

Suprmind and MultipleChat both offer a solid five-model chat setup, starting at $19/mo for Suprmind’s Spark plan versus $20/mo for MultipleChat Pro