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

https://rileysnewcolumn.readspirex.com/posts/grok-free-tier-limits-how-many-prompts-do-you-get

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