Ethan Mollick Demos Genie 4: Realtime Game Worlds Generated in a Minute, With Dragons on Demand

emollick · x · 2026-10-28

Ethan Mollick shared hands-on impressions of Genie 4, calling it "quite an insane experience." Typing "Neogothic brutalist city inhabited by robots and horses" produced an explorable game-like environment in about a minute; he then added dragons and a friendly otter NPC, all in realtime. Not flawless, but a striking demo of on-demand world generation.

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