Grok’s paid plans start at $15/month for basic access and $40/month for...

https://technivorz.com/does-x-premium-include-companions-memory-and-projects/

Grok’s paid plans start at $15/month for basic access and $40/month for extended features, each limiting usage to about 10 prompts every 2 hours. There’s no free trial available, so you’ll need to choose a subscription upfront