Suprmind combines Grok with GPT, Claude, Gemini, and Perplexity all in one...

https://eduardosnicechat.publishlane.com/posts/first-principles-mode-what-it-does-that-normal-chat-does-not

Suprmind combines Grok with GPT, Claude, Gemini, and Perplexity all in one conversation thread. It offers flexible plans starting at $19 with a 7-day trial that doesn’t require a credit card