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

https://spark-wiki.win/index.php/Why_Text-to-Speech_Price_Jumped_from_$4.20_to_$15_per_1M_Characters_in_Q2_2026

As of September 2026, Grok offers two purchase options: directly at grok.com or via X. There’s no paid-plan trial, but a free tier lets you send about 10 prompts every two hours