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

https://mighty-wiki.win/index.php/Suprmind_for_Investment_Analysts:_Can_It_Help_Write_an_IC_Memo_by_4_PM%3F

Suprmind offers a multi-AI chat platform combining GPT, Claude, Gemini, Grok, and Perplexity models in one place. At $19 a month, its Spark plan is slightly cheaper than ChatGPT Plus at $20. You can try it free for 7 days with no credit card needed