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OpenAI: ChatGPT and Codex helping engineers build for the physical world (CAD, simulation, hardware)

@OpenAI posted that ChatGPT and Codex are helping engineers in the physical world and shared progress in mechanical, electrical, and simulation design — from internal hardware iteration to flows with industry collaborators. In the thread: two team members used GPT-6 Astra on a ~1-week side project to prototype a speech device with Codex (Astra on enclosure, PCB, interface, and software); they also cite Chip Ganassi Racing (3D scans → CAD/drawings) and Mazda (design via simulation), with engineers reviewing the outputs.