Grok’s paid plans start at $20/month and $50/month, each limiting usage to...

https://wiki-mixer.win/index.php/What_is_Grok_Auto_Mode_and_How_Does_It_Pick_a_Model%3F

Grok’s paid plans start at $20/month and $50/month, each limiting usage to about 10 prompts every 2 hours. There’s no free trial available, so you’ll want to choose a plan carefully based on your prompt needs and frequency before committing