Codex + GPT-5.6 Sol Ultra better understood the 'heist' and 'team' aspects of a game creation prompt compared to another model

I had Codex + GPT-5.6 Sol Ultra try the same prompt and the result was a better game - it understood the "heist" and "team" aspects better, you have to rescue your two raccoon crewmates and then stack on top of each other to steal the Golden Sardine from a museum

https://bsky.app/profile/simonwillison.net/post/3msjd674w2s2b