I had a range of models "build me a procedurally generated 3D simulation showing the evolution of a harbor town from 3000 BCE to 3000 AD" in one prompt.

You can play the full gallery here: https://t.co/FEfKL7uKHV

Or read my write up about GPT-5.5 here: https://t.co/Pn3CCsnlDw pic.twitter.com/r9sTcxfqod

— Ethan Mollick (@emollick) 24 avril 2026

I had a range of models "build me a procedurally generated 3D simulation showing the evolution of a harbor town from 3000 BCE to 3000 AD" in one prompt. You can play the full gallery here: https://
hg-20f7d1a3ce.netlify.app Or read my write up about GPT-5.5 here: https://
oneusefulthing.org/p/sign-of-the-
future-gpt-55?r=i5f7&utm_medium=ios&triedRedirect=true
…

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