Grok offers a free plan with up to 10 prompts every 2 hours. Paid plans start...

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

Grok offers a free plan with up to 10 prompts every 2 hours. Paid plans start at $15/month for basic access and $35/month for extended features. Note, there’s no free trial on paid tiers, so you pay upfront