Suprmind lets you combine GPT, Claude, Gemini, Grok, and Perplexity in a single...

https://www.cool-bookmarks.win/suprmind-runs-gpt-claude-gemini-grok-and-perplexity-together-letting-them

Suprmind lets you combine GPT, Claude, Gemini, Grok, and Perplexity in a single conversation where they challenge each other to spot mistakes and reduce errors