Grok’s paid plans start at $40/month for basic access and $75/month for...

https://eduardosnicechat.publishlane.com/posts/what-do-you-get-with-supergrok-lite-10-a-month

Grok’s paid plans start at $40/month for basic access and $75/month for enhanced features, with a cap of about 10 prompts every 2 hours. There’s no free trial, so you’ll need to commit upfront