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Oct 21, 2026Confirmed

OpenAI describes how it built the ad system now running in ChatGPT

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Approved by person, Oct 23, 2026. How entries are approved

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OpenAI published an engineering post on October 21, 2026 describing how its ChatGPT ad stack works. It covers how conversations are interpreted, how ads are retrieved, filtered and auctioned, and how the system aims to keep ads from influencing ChatGPT answers.

What this means for youChatGPT is getting ads, and OpenAI says they are chosen without changing the answers you receive. If you use ChatGPT at home or work, expect sponsored content to appear alongside chats.

Sources

  • OpenAIhttps://openai.com/index/building-chatgpt-ad-stack
  • Blockchain.Newshttps://blockchain.news/news/openai-details-chatgpt-ad-stack-built-around-trust-and-relevance
  • TokenPosthttps://www.tokenpost.com/news/technology/37572

Headline and link from OpenAI News (https://openai.com/news/).

Source data license: All rights reserved by the publisher. The feed is offered for syndication; only the headline, link, and date are used.

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This entry is record number 2488. It has not been edited since it was approved; the hash above would not match if it had. How to verify

OpenAI describes how it built the ad system now running in ChatGPT | Vigilo AI Watch