I've been thinking about this a lot. I want to know what's the smallest a model needs to be, before letting it browse search engines, or files you host locally

I've been thinking about this a lot. I want to know what's the smallest a model needs to be, before letting it browse search engines, or files you host locally is actually an avenue an LLM can go through to give you more informed answers. Is it 2GB? 8GB? Would love to know.