AISimon Willisonabout 2 hours ago
Raccoon Heist Game Built by GPT-5.6 Sol Ultra
2 min read
Codex Desktop running GPT-5.6 Sol Ultra produced a better Raccoon Heist game than Claude Fable 5, set in a museum with crewmates and a golden sardine. The one-shot prompt caused an eyeball-size bug Codex missed. Simon Willison posted it on 7th August 2026.
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