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

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

Grok’s paid plans start at $20/month for basic access and $50/month for advanced features. Each plan allows up to 10 prompts every 2 hours, ensuring manageable usage limits