Grok’s paid plans start at $20/month for up to 20 prompts every 2 hours and...

https://miasniceword.cavandoragh.org/team-of-five-grok-pricing-math-supergrok-vs-x-premium

Grok’s paid plans start at $20/month for up to 20 prompts every 2 hours and $50/month for 60 prompts in the same timeframe. Each account is capped at roughly 10 prompts per 2 hours