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

https://domgodwinson38.gumroad.com/p/how-to-build-a-workflow-where-4-other-models-challenge-the-first-model

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