Grok’s paid plans start at $20/month and include up to 10 prompts every 2...

https://www.click-bookmark.win/grok-s-paid-plans-start-at-20-month-for-basic-access-and-go-up-to-60-month

Grok’s paid plans start at $20/month and include up to 10 prompts every 2 hours, suitable for steady users. There’s no free trial, so you pay from day one