Grok offers pricing starting at $30/month with up to 10 prompts every 2 hours....

https://victoriasmasterchat.yousher.com/when-did-supergrok-heavy-launch-and-has-the-price-moved

Grok offers pricing starting at $30/month with up to 10 prompts every 2 hours. The $80/month plan increases usage limits but still enforces the same prompt cap