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ChatGPT targets ads using user prompts and data
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ChatGPT targets ads using user prompts and data

The gist

OpenAI lets advertisers target ChatGPT users by prompts, email, phone number or device ID.
With 1 billion users, prompts assumed private may drive the ads they see.

How it unfolded

  1. Feb 2026OpenAI first introduced ChatGPT ads in the U.S., later expanding to other territories.
  2. Apr 30, 2026OpenAI updated its U.S. privacy policy, enabling marketing cookies by default for free ChatGPT users and reversing a previous commitment not to engage in targeted advertising.
  3. May 2, 2026OpenAI updated its U.S. privacy policy to share free users' data with advertisers; a conversion tracking pixel with EU consent signals an imminent European ad rollout.

Sources

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