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![Techmeme Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::817386.png) Techmeme [@Techmeme](/creator/twitter/Techmeme) on x 422.6K followers
Created: 2025-07-15 22:15:53 UTC

A former OpenAI engineer details his experience working at the company, including its culture, engineering practices, rapid growth, and the launch of Codex (@calvinfo)







XXXXX engagements

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**Related Topics**
[open ai](/topic/open-ai)

[Post Link](https://x.com/Techmeme/status/1945245964815442205)