As of September 2026, Grok offers two purchasing options: directly at grok.com...

https://bizzmarkblog.com/how-to-audit-my-code-for-old-grok-model-aliases/

As of September 2026, Grok offers two purchasing options: directly at grok.com and via platform X. There's no paid-plan trial, and the free tier limits you to about 10 prompts every 2 hours. Monthly plans at grok