OpenAI seems to be silently re-enabling model training on Codex chats
My company is pretty paranoid about leaking IP to the frontier labs through prompts, so we've all been diligent about disabling data sharing in Codex/Claude Code/etc. But yesterday my coworkers and I noticed that the setting had been silently reenabled in Codex. None of us knowingly opted back in. You can check your settings here: https://ift.tt/YG8dxge. Look for "Improve the model for everyone". Curious if this is an isolated issue or something more widespread. EDIT: looks like this has been noted before https://ift.tt/wOjXybQ EDIT: apparently you can also turn off data sharing here: https://ift.tt/46QWR28 0 comments on Hacker News.
My company is pretty paranoid about leaking IP to the frontier labs through prompts, so we've all been diligent about disabling data sharing in Codex/Claude Code/etc. But yesterday my coworkers and I noticed that the setting had been silently reenabled in Codex. None of us knowingly opted back in. You can check your settings here: https://ift.tt/YG8dxge. Look for "Improve the model for everyone". Curious if this is an isolated issue or something more widespread. EDIT: looks like this has been noted before https://ift.tt/wOjXybQ EDIT: apparently you can also turn off data sharing here: https://ift.tt/46QWR28
My company is pretty paranoid about leaking IP to the frontier labs through prompts, so we've all been diligent about disabling data sharing in Codex/Claude Code/etc. But yesterday my coworkers and I noticed that the setting had been silently reenabled in Codex. None of us knowingly opted back in. You can check your settings here: https://ift.tt/YG8dxge. Look for "Improve the model for everyone". Curious if this is an isolated issue or something more widespread. EDIT: looks like this has been noted before https://ift.tt/wOjXybQ EDIT: apparently you can also turn off data sharing here: https://ift.tt/46QWR28 0 comments on Hacker News.
My company is pretty paranoid about leaking IP to the frontier labs through prompts, so we've all been diligent about disabling data sharing in Codex/Claude Code/etc. But yesterday my coworkers and I noticed that the setting had been silently reenabled in Codex. None of us knowingly opted back in. You can check your settings here: https://ift.tt/YG8dxge. Look for "Improve the model for everyone". Curious if this is an isolated issue or something more widespread. EDIT: looks like this has been noted before https://ift.tt/wOjXybQ EDIT: apparently you can also turn off data sharing here: https://ift.tt/46QWR28
Hacker News story: OpenAI seems to be silently re-enabling model training on Codex chats
![Hacker News story: OpenAI seems to be silently re-enabling model training on Codex chats]()
Reviewed by Tha Kur
on
November 03, 2026
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