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

https://raymondsinterestingchat.quantlynix.com/posts/file-attachments-pricing-10-per-1-000-calls-on-grok-api-explained

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