Grok’s paid plans start at $15 per month for basic access and $50 for the pro...

https://instaquoteapp.com/how-much-does-web-search-cost-on-the-grok-api-tools/

Grok’s paid plans start at $15 per month for basic access and $50 for the pro tier, with a cap of about 10 prompts every 2 hours. There’s no free trial available, so you pay upfront knowing exactly what you get