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

https://telegra.ph/What-Are-the-grok-420-Reasoning-and-Non-Reasoning-Models-09-05

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