what model/tools to use for a "personal ai"

What would be the best (combination of) tool(s) to achieve something like a personal assistant (rather: something i can just echo my late-night thoughts to instead of talking to myself) in a way that: - would not be too heavy on resources (because apparently we live in a world where ram & gfx are for royalty now) - would be able to integrate with voice (for when i don't want to type) - and would be able to have an avatar - which would all run on linux (as i've dumped windows years ago) i know it's all LLM's so i'm not asking for actual intelligence (though that would be the hope for the.