So, this sounds to me like an expanded version of that, more or less.
I think I'd prefer an AI future with lots of little focused models running locally like this rather than the "über models in the cloud" approach. Or at least having such options is nice.
[1] https://vim.fandom.com/wiki/Any_word_completion
There's also omni-completion, a bit more advanced: https://vim.fandom.com/wiki/Omni_completion
Clearly written by someone who was also frustrated by the experience (: