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

https://emiliosbestinsights.rivetgarden.com/posts/how-to-get-multiple-ai-perspectives-on-complex-problems-in-one-conversation

Suprmind lets you run GPT, Claude, Gemini, Grok, and Perplexity together in a single conversation, so the models can challenge each other and spot hallucinations