Grok’s paid plans start at $20/month for basic access and $50/month for...

https://wool-wiki.win/index.php/How_Should_Finance_Code_Grok_Spend:_X_Subscription_vs_Grok.com

Grok’s paid plans start at $20/month for basic access and $50/month for advanced features, each limiting users to about 10 prompts every 2 hours