# OpenAI details the ad system it built into ChatGPT to protect user trust

OpenAI published an engineering blog post explaining how it designed a new advertising stack for ChatGPT, with the stated goals of preserving user trust and keeping ads relevant. The post describes the technical architecture behind serving ads in the chatbot. The details matter because ads in ChatGPT would mark a major shift in how the product makes money and how users experience it.

**Importance:** 3/5

## Sources

### Science
- [OpenAI Blog](https://openai.com/index/building-chatgpt-ad-stack) — Wed, 21 Oct 2026 07:00:00 GMT
- [OpenAI Blog](https://openai.com/index/oracle-apps-in-chatgpt) — Tue, 27 Oct 2026 07:00:00 GMT

### World
- [Al Jazeera](https://www.aljazeera.com/news/2026/10/26/the-gambias-first-blind-magistrate-tests-a-system-built-for-the-sighted?traffic_source=rss) — Mon, 26 Oct 2026 05:18:00 +0000

### Sports
- [The Guardian Sport](https://www.theguardian.com/football/2026/oct/30/the-academy-system-needs-a-refresh-but-now-is-the-time-for-carrick-to-trust-in-youth) — Fri, 30 Oct 2026 12:00:52 GMT