Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in one...
https://blogfreely.net/samuel-wang09/suprmind-vs-claude-vs-perplexity-which-one-is-better-for-research
Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in one shared conversation, so they can challenge each other and catch errors