I've had hundreds of AI-powered vendor tools come across my desk as part of my job, and I have yet to see a single one that uses Grok. I'm also not aware of any publicly announced customers for Grok's enterprise offering. The Grok Enterprise website doesn't list any customers.
For Enterprises it's way easier to delist Cursor from the list of used tools than to have a relation with someone known publicly for neofascist aspirations.
xAI is not, and was not that bad, it's just everybody ignores it for anything serious due to obvious reasons.
I hate Musk, but Grok is not a bad LLM. It's very useful for tracking down old magazines that I'm looking for, which are public domain or copyright orphans. Often the major players will outright reject searching places like archive.org as they immediately assume you are trying to commit some level of copyright infringement. With Grok it'll either just do it, or do it with a mild prod or jailbreak.