LLMs
If you want to get started with an LLM locally, for privacy concerns or exploration give LM Studio a shot. In selecting the right LLM for you requirements check out this list of LLMs or What LLM to use. The beauty of LM Studio is that you can easily maintain your LLMs, but also interact with them via the common OpenAI API protocol.
How to setup your own LazyNvim Plugin
I wrote a blog post on my building of a LazyVim plugin that integrated with LM Studio.