Grok’s paid plans start at $30/month for up to 10 prompts every 2 hours, with a...

https://yenkee-wiki.win/index.php/Why_Did_Grok_Text-to-Speech_Jump_from_$4.20_to_$15.00%3F_50972

Grok’s paid plans start at $30/month for up to 10 prompts every 2 hours, with a $70/month option for higher usage. Both plans limit prompts to roughly 10 per 2-hour window. There’s no free trial, so you commit upfront