Comment by ggreer

No, they explicitly denied it.[1]

> …in particular, no specific user data was accessed in order to solve this problem.

> Following an investigation, we have confirmed that Buckmaster’s Codex prompts over the two months preceding this announcement and paper on September 8, 2026, could not have influenced the system in any way, including through training.

1. https://openai.com/index/navier-stokes-solution/