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

https://www.echobookmarks.win/suprmind-brings-gpt-claude-gemini-grok-and-perplexity-together-in-a-single

Suprmind lets you use GPT, Claude, Gemini, Grok, and Perplexity together in one chat, making it easier to compare answers and keep track of disagreements