As of September 2026, Grok offers two ways to subscribe: directly via grok.com...

https://web-wiki.win/index.php/Does_Grok_Pricing_Change_Often_and_Where_to_Verify

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