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

https://weekly-wiki.win/index.php/What_Does_grok-build-0.1_Cost_and_When_Should_I_Use_It%3F

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