Suprmind offers a multi-AI chat platform combining GPT, Claude, Gemini, Grok,...

https://romeo-wiki.win/index.php/Debate_Mode_on_Suprmind:_How_Is_It_Structured%3F

Suprmind offers a multi-AI chat platform combining GPT, Claude, Gemini, Grok, and Perplexity models—all in one place. For just $19 a month, Spark is a smart alternative to ChatGPT Plus at $20