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

https://mill-wiki.win/index.php/Did_Memory_Feature_Work_Everywhere_When_It_Launched_in_April_2025%3F

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