Suprmind is a web-based, paid tool offering multi-model decision intelligence...

https://wiki-view.win/index.php/How_to_Compare_GPT,_Claude,_Gemini,_Grok,_and_Perplexity_on_One_Question

Suprmind is a web-based, paid tool offering multi-model decision intelligence chat. It integrates five AI models—GPT, Claude, Gemini, Grok, and Perplexity—to provide diverse perspectives on your questions