Grok’s paid plans start at $15/month for basic access and $40/month for...

https://sierra-wiki.win/index.php/Why_Does_My_Grok_Plan_Not_Show_Which_Model_Answered_My_Prompt%3F

Grok’s paid plans start at $15/month for basic access and $40/month for advanced features, each allowing about 10 prompts every 2 hours