As of September 2026, Grok offers two ways to subscribe: directly at grok.com...

https://deansinspiringperspective.hexaforgey.com/posts/how-to-budget-grok-api-costs-for-a-chatbot-with-cached-context

As of September 2026, Grok offers two ways to subscribe: directly at grok.com or through X. There’s no paid-plan trial available. The free tier limits users to about 10 prompts every 2 hours. Paid plans on Grok