Insider: chances are zero that opt-in Codex data made it into OpenAI training runs
soumitrashukla9 · x · 2026-09-11
Researcher tszzl recalls being on a call during OpenAI's first announcement where people tried hard to state "the precise lawyerly truth" without verifying whether opt-in Codex data was used in training. It's now clear it would have been impossible — the chances are 0.
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