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

https://fair-wiki.win/index.php/How_Many_Images_Per_Day_on_Grok_Free_Tier%3F_A_Clear_Look_at_Grok%E2%80%99s_Image_Allowance_and_Pricing

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