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

https://www.tumblr.com/wanderingtechnomancergremlin/828496512962134016/how-to-get-multiple-ai-perspectives-on-complex

Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity all in one shared conversation, so the AIs can challenge each other and help catch hallucinations