Grok’s paid plans start at $20/month for basic access and go up to $60/month...

https://mike-wiki.win/index.php/Does_SuperGrok_Heavy_Guarantee_Grok_4.3_Access%3F

Grok’s paid plans start at $20/month for basic access and go up to $60/month for premium features. Each plan allows about 10 prompts every 2 hours, helping manage usage without surprises