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

https://www.joint-bookmarks.win/suprmind-combines-gpt-claude-gemini-grok-and-perplexity-to-work-together

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