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

https://victor-wiki.win/index.php/Understanding_Collection_Storage_Costs:_$0.10_per_GiB_per_Day_on_XAI_API

As of September 2026, Grok offers two purchase options: directly at grok.com or via X. There’s no paid-plan trial, but a free tier limits you to about 10 prompts every 2 hours. Monthly prices at grok