I found Suprmind really useful because it brings GPT, Claude, Gemini, Grok, and...

https://nova-wiki.win/index.php/Is_Multi-Model_AI_Chat_Slower_Than_Using_One_Model%3F

I found Suprmind really useful because it brings GPT, Claude, Gemini, Grok, and Perplexity into a single chat where they can challenge each other’s answers. This makes fact-checking way faster and helps catch mistakes before they slip through