Grok’s paid plans start at $20/month for basic use and $50/month for enhanced...

https://holdenlvxt779.theburnward.com/what-are-big-brain-and-think-mode-on-supergrok-exploring-reasoning-modes-in-ai-tools

Grok’s paid plans start at $20/month for basic use and $50/month for enhanced features, each limiting you to about 10 prompts every 2 hours