AnalysisDevelopersAugust 7, 2026

Codex and GPT-5.6 Sol Ultra one-shot raccoon heist game

Read original source →simonwillison.net

Codex Desktop running GPT-5.6 Sol Ultra spent 52 minutes one-shotting Moonlight & Mayhem from a single prompt, generating textures with gpt-image-2. The museum heist game beats Claude Fable 5's earlier version, though Codex missed a giant-sphere eyeball bug until prompted "Fix it".

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