As of September 2026, Grok pricing splits between grok.com and X. Grok.com...

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

As of September 2026, Grok pricing splits between grok.com and X. Grok.com offers a free tier capped at about 10 prompts every 2 hours, with no paid-plan trial available. Paid options start at $10/month (Lite), $30 (SuperGrok), and $300 (Heavy)