Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in one...

https://holdenssplendiddigests.zenbloomer.com/posts/does-suprmind-replace-chatgpt-or-work-alongside-it

Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in one shared conversation, so they can challenge each other and catch errors