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 conversation, so they can challenge each other and catch hallucinations