Suprmind is a web-based, subscription service offering multi-model decision...

https://dominicksbrilliantcolumn.bearsfanteamshop.com/best-prompts-for-making-five-ai-models-critique-each-other

Suprmind is a web-based, subscription service offering multi-model decision intelligence chat. It integrates five AI models—GPT, Claude, Gemini, Grok, and Perplexity—allowing users to compare responses side-by-side