I’d guess they have meanwhile unlocked “bigger war chest” to try see how far they can scale up their process?
IIRC they actually said they don’t know if it will. Just like last time. Optimization will come later just like they are trying now with bringing GPT-4 to the masses.
https://www.ft.com/content/dd9ba2f6-f509-42f0-8e97-4271c7b84...
https://archive.ph/r1O38