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

https://web-wiki.win/index.php/What_Should_I_Ask_Suprmind_to_Test_if_It_Catches_Bad_Facts%3F

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