Grok's paid plans start at $24 per user/month, offering up to 10 prompts every...

https://wiki-velo.win/index.php/What_Are_Big_Brain_and_Think_Mode_on_SuperGrok%3F

Grok's paid plans start at $24 per user/month, offering up to 10 prompts every 2 hours. At $48 per user/month, you get additional features but the same prompt cap