Suprmind lets you pit GPT, Claude, Gemini, Grok, and Perplexity against each...

https://aitoptools.com/tool/suprmind/

Suprmind lets you pit GPT, Claude, Gemini, Grok, and Perplexity against each other in one conversation. By forcing these models to debate your logic, you catch blind spots before making big decisions. Start with a free trial; it’s just $4/month.