Grok’s paid plans start at $35 per month, with a $75 option that includes more...

https://quebeck-wiki.win/index.php/What_Security_Certifications_Does_xAI_Claim_for_Grok%3F

Grok’s paid plans start at $35 per month, with a $75 option that includes more usage. Each plan limits you to about 10 prompts every 2 hours to keep response quality consistent