AI ported SimCity to TypeScript in 4 days without reading the code
SMRTR summary
Christopher Ehrlich used OpenAI's o1-codex to port the entire 1989 SimCity C codebase to TypeScript in just four days with a $200 ChatGPT subscription. The AI generated code while property-based tests verified identical behavior to the original, creating a working browser version without human code reading. This demonstrates 'vibe coding' where developers specify desired outcomes and let AI execute the implementation.
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