The AI Treasure Chest

The AI Treasure Chest

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The AI Treasure Chest
The AI Treasure Chest
There is an invisible data collection default in OpenAI's CustomGPTs

There is an invisible data collection default in OpenAI's CustomGPTs

It's not enough to turn training off in the settings

Ravit Dotan's avatar
Ravit Dotan
Jun 25, 2025
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The AI Treasure Chest
The AI Treasure Chest
There is an invisible data collection default in OpenAI's CustomGPTs
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Hi everyone,

Today I found out that OpenAI has a hidden default setting for collecting user data. If you’re using CustomGPTs, it’s not enough to turn off training in the settings.

To be honest, I am furious.

But my main point today is that I everyone should know about this — how their data might be exposed, the consequences, and how they could turn it off if they build CustomGPTs.

Share with a friend!

The regular training setting

I rarely use ChatGPT (I use other chatbots). In part, it’s because I distrust and oppose their data policies. One huge problem is that they train on user data by default. Yes, all the conversations, what you type, what it types, sensitive information, all of it.

There is a way out, you can turn training off in the settings.

Of course, OpenAI have given the toggle the misleading name of “improve model for everyone” (in data controls). This name appeals to our desire to be helpful to hide important facts:

  • We could be exposing sensitive information

  • We could be giving Op…

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