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://chatgpt.com/settings/data-controls. 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://news.ycombinator.com/item?id=49643556EDIT: apparently you can also turn off data sharing here: https://privacy.openai.com/policies?modal=take-control
OpenAI seems to be silently re-enabling model training on Codex chats
Key takeaways
OpenAI appears to have silently re-enabled model training on Codex chats without user consent.
- Users noticed data sharing settings were re-enabled without their knowledge.
- A link to check settings was provided in the article.
- Users can disable data sharing through specific privacy policies.
Summarised automatically by AI from the original article by Hacker News. AI can make mistakes, so check the original for details.
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Related reporting
6 stories on this topic from 3 sources, oldest first.
- Hacker News OpenAI seems to be silently re-enabling model training on Codex chats (this story)



