Grok’s paid plans start at $19/month for up to 10 prompts every 2 hours, with a...

https://wiki-spirit.win/index.php/Grok_API_Pricing_for_Grok-4.3_Per_1M_Tokens:_A_Deep_Dive

Grok’s paid plans start at $19/month for up to 10 prompts every 2 hours, with a cap to manage usage. The $49/month plan offers higher limits and additional features