Grok’s paid plans start at $30/month and go up to $100/month, with a cap of...

https://wiki-quicky.win/index.php/How_Do_I_Audit_My_Integration_for_Old_Grok_Model_IDs%3F

Grok’s paid plans start at $30/month and go up to $100/month, with a cap of about 10 prompts every 2 hours. There’s no free trial available, so you’ll want to pick a plan that fits your regular usage