---
title: "How we built ChatGPT’s novel ad stack for user trust and relevance"
type: signal
url: https://frontiernewswire.com/s/how-we-built-chatgpts-novel-ad-stack-for-user-trust-and-relevance-3933e900
published: 2026-10-21T07:00:00.000Z
byline: "Source: OPENAI"
---

# How we built ChatGPT’s novel ad stack for user trust and relevance

Source: OPENAI · Published 2026-10-21 · Canonical: https://frontiernewswire.com/s/how-we-built-chatgpts-novel-ad-stack-for-user-trust-and-relevance-3933e900

Learn how OpenAI built ChatGPT’s LLM-powered ad stack to understand conversational intent, keep ads separate.

## Sources

- [Read the original at OPENAI](https://openai.com/index/building-chatgpt-ad-stack)

## Related

- [Recursive releases Flint, an open-weight, 40B-parameter coding model developed with its Eureka Machine AI system, which automated most of the development (Will Knight/Wired)](https://frontiernewswire.com/s/recursive-releases-flint-an-open-weight-40b-parameter-coding-model-10aa880e)
- [Before the ambulance arrives: How AI is helping the NHS rethink patient care](https://frontiernewswire.com/s/before-the-ambulance-arrives-how-ai-is-helping-the-nhs-rethink-patient-60f53102)
- [Ollama v0.40.8 is available](https://frontiernewswire.com/s/ollama-v0-40-8-is-available-19d1c029)
- [Watchtower, which uses AI and simulation software to help the US Armed Forces make logistical decisions, emerges from stealth with a $35M seed (Alex Konrad/Upstarts Media)](https://frontiernewswire.com/s/watchtower-which-uses-ai-and-simulation-software-to-help-the-us-armed-82d4dd50)
- [This Startup Is All In on Recursive Self-Improvement. Its Latest Model Is Scary Good](https://frontiernewswire.com/s/this-startup-is-all-in-on-recursive-self-improvement-its-latest-model-0a716ad4)

---

[More Latest Signal](https://frontiernewswire.com/) · [Signals](https://frontiernewswire.com/verified-reporting)