As of September 2026, Grok offers two purchase options: directly via grok.com...

https://garrettsinsightfulchat.wordcanopy.com/posts/what-is-grok-auto-mode-and-why-it-matters-for-compliance

As of September 2026, Grok offers two purchase options: directly via grok.com or through X’s platform. There’s no paid-plan trial available. The free tier limits you to about 10 prompts every 2 hours