Suprmind and MultipleChat both offer five-model chat setups starting around...

https://suprmind.ai/hub/comparison/multiplechat-alternative/

Suprmind and MultipleChat both offer five-model chat setups starting around $19-$20/month. The key difference: Suprmind includes orchestration modes plus a decision layer with a Validation Engine, Adjudicator, and templates to streamline workflows