[nordsieck]

> Is anyone other than a vanishingly small number of hard core hobbiests going to upgrade from an M4 to an M4 Ultra?

I expect that the 2 biggest buyers of M4 Ultra will be people who want to run LLMs locally, and people who want the highest performance machine they can get (professionals), but are wedded to mac-only software.

[bredren]

Anecdotal, and reasonable criticisms of the release aside, OpenAI's gpt-4.5 introduction video was done from a hard-to-miss Apple laptop.

It is reasonable to say many folks in the field prefer to work on mac hardware.