In September 2026, Grok offers two purchase options: grok.com and the X...

https://yenkee-wiki.win/index.php/What_Are_the_Grok-4.20_Reasoning_and_Non-Reasoning_Models%3F

In September 2026, Grok offers two purchase options: grok.com and the X platform. There’s no trial for paid plans, and the free tier limits you to about 10 prompts every 2 hours