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OpenAI Says GPT-6 Designed a Codex Talk Device in Under a Week

Nov 04, 2026
OpenAI
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Summary

OpenAI says its models now help engineers design, simulate, and build physical products, and that two staffers used GPT-6 to design a Codex talk device in under a week. A contract manufacturer built prototypes in under a month, though Astra missed production tolerances and assembly details. Model token usage across OpenAI hardware teams grew 23-fold since February.

Key Points

  • OpenAI reports a newer internal model scores 0.875 on the BenchCAD 2.0 engineering test, against 0.594 for GPT-6 Astra at its highest reasoning setting.
  • OpenAI announces a research collaboration with Mazda, whose aerodynamics and crash-safety engineers use GPT-6 Astra to explore vehicle designs.
  • Grace Lam, a forward deployed engineer at OpenAI, says Codex accelerates how teams move from an idea to an engineered part.

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