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

https://emiliosbestinsights.rivetgarden.com/posts/is-suprmind-worth-it-if-i-already-pay-for-perplexity-pro-and-grok

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