Grok’s paid plans start at $20/month and scale up to $80/month, with a strict...

https://seo.edu.rs/blog/why-supergrok-heavy-300-a-month-is-worth-it-for-some-teams-11220

Grok’s paid plans start at $20/month and scale up to $80/month, with a strict limit of about 10 prompts every 2 hours. There’s no free trial available, so you’ll want to be sure this fits your needs before committing