I selfhost my.chatbox (and agent) on my hardware at home.
Open models are surprisingly good and any thing you tell them stays on your premises, so no privacy risks.
You need some hardware and performance are not as chatgpt or Claude.
Yeah, it's good, but it's not a replacement for your own intelligence. Treat them as a free assistant which seems competent but probably says shit to please you....
Always double check and apply your own intelligence.