First, 99% of people out there don't care about privacy/cloud. They just want something that works. Therefore, OpenAI/Anthropic/cloud AI lab will soundly beat something like this at a lower cost, smarter, more reliable.
Second, for the 1% who do care, they'll buy Macs with much more memory so they can run much better models instead.
Javaid offered an example of how Core is meant to work: “Core proactively sends you a notification that you might be getting sick because it sees your resting heart rate is elevated, sees from computer history that you were up late working on a project, and has seasonal context that it is flu season in San Francisco.”
This data almost certainly already lives in the cloud in Apple's server or some smart watch/phone server already. It'd be simple for ChatGPT/Gemini to duplicate something like this over time.