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

https://sierra-wiki.win/index.php/Can_Suprmind_Help_with_a_Deal_Memo_Without_Embarrassing_Mistakes%3F

Suprmind is a web-based, paid tool offering multi-model decision intelligence chat to support better choices. It combines five AI models—GPT, Claude, Gemini, Grok, and Perplexity—letting users compare answers side by side