More likely _free_ llms will go the way of free web search and reviews. The economics will dictate that to support their business the model providers will have to sell the eyeballs they’ve attracted.
There's no other way for it to go. And any potentially community run/financed alternatives are already becoming impossible with the anti-crawling measures being erected. But the big players will be able to buy their way through the Cloudflare proxy, for example.