Grok’s paid plans start at $20/month with a 10 prompt limit every 2 hours,...

https://astro-wiki.win/index.php/What_Features_Are_Locked_Behind_SuperGrok_Paid_Plans%3F

Grok’s paid plans start at $20/month with a 10 prompt limit every 2 hours, scaling up to $60/month for higher usage. There’s no free trial available, so you pay upfront to access features