As of September 2026, Grok offers two purchase routes: directly at grok.com and...

https://andysexpertblog.nexorafield.com/posts/does-x-premium-give-full-speed-grok-or-is-it-throttled-a-deep-dive-into-x-premium-limits-and-rate-limited-grok

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