Because Grok from X is atleast a year behind GPT4 Turbo. :P
How to use Better Grok on ChatGPT?
To use Better Grok, simply sign up for an account on the website. Once logged in, you can utilize the search function to explore the database of scientific papers. Enter your query or topic of interest to retrieve relevant papers. You can also engage in essay collaboration by connecting with other users and sharing your ideas and sources.