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

https://wiki-burner.win/index.php/Does_X_Premium_Give_Full_Speed_Grok_or_Is_It_Throttled%3F

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