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

https://trentonsexcellentthoughtss.evergrovio.com/posts/how-to-audit-my-code-for-old-grok-model-aliases-avoid-silent-redirects-and-optimize-your-ai-spend

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