Grok offers a Basic plan at $15/month allowing up to 10 prompts every 2 hours,...

https://www.slideserve.com/alicestone55/can-i-use-grok-through-azure-ai-foundry-instead-of-grok-com

Grok offers a Basic plan at $15/month allowing up to 10 prompts every 2 hours, and a Pro plan at $40/month with the same prompt cap but faster response times. Both paid plans do not include a free trial