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OpenAI Codex 5.3

It is fast

Jonathan Maietta's avatar
Jonathan Maietta
Feb 14, 2026
∙ Paid

I am playing with OpenAI’s latest model - 5.3 - in terminal. It is fast.

Below is the return when I asked the tool for the Top CEOs as measured by CEORaterScore across each industry within the S&P 50…

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