In September 2026, Grok offers two buying options: grok.com and the X platform....

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

In September 2026, Grok offers two buying options: grok.com and the X platform. There’s no paid-plan trial available. The free tier limits you to about 10 prompts every 2 hours. Monthly pricing on grok