Grok costs $16 per month on X Premium Plus. But for now, it is only offered to a limited number of users in the United States.
Source: https://cointelegraph.com/public/index.php/news/elon-musk-launches-ai-chatbot-grok-says-it-can-outperform-chatgpt
Elon Musk launches AI chatbot ‘Grok,’ says it can outperform ChatGPT
