There are already APIs being developed that assume a browser has an LLM either inside it or otherwise available, see for instance https://developer.mozilla.org/

There are already APIs being developed that assume a browser has an LLM either inside it or otherwise available, see for instance https://developer.mozilla.org/en-US/docs/Web/API/Summarizer_API https://developer.mozilla.org/en-US/docs/Web/API/Summarizer_... So they pretty much have to ship one, to stay relevant. And they are privacy-focused, so I'm happy they are not just using ChatGPT or whatever under the hood to implement support.