Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in one...
https://list-wiki.win/index.php/How_to_Clean_Up_a_Rushed_Brain_Dump_Prompt_Before_Sending_It_to_AI
Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in one shared conversation, so they can challenge each other and spot hallucinations