Suprmind offers a unified space to use Claude alongside GPT, Gemini, Grok, and...

https://uniform-wiki.win/index.php/First_Principles_Mode:_What_Does_It_Do_in_a_Multi-AI_Chat%3F

Suprmind offers a unified space to use Claude alongside GPT, Gemini, Grok, and Perplexity within one thread. It includes a 7-day free trial with no credit card required, making it easy to explore multiple AI models side-by-side without switching platforms