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

https://gregorysbrilliantchat.lucialpiazzale.com/did-memory-feature-work-everywhere-when-it-launched-in-april-2025

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