Grok’s paid plans start at $49/month and $99/month, each allowing about 10...

https://holdenlvxt779.theburnward.com/grok-speech-to-text-pricing-rest-vs-streaming-breakdown

Grok’s paid plans start at $49/month and $99/month, each allowing about 10 prompts every 2 hours. There’s no free trial, so you pay upfront. If you hit the prompt cap, you’ll need to wait or upgrade