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# OpenAI taps Magnite, PubMatic to fill unsold ChatGPT ad space
- URL: https://www.medianexis.com/openai-taps-magnite-pubmatic-to-fill-unsold-chatgpt-ad-space/
- Published: 2026-11-02T18:39:32.000Z
- Updated: 2026-11-02T18:39:32.000Z
- Description: The Information’s Alix Coutures and Catherine Perloff report OpenAI has signed unannounced deals with Magnite and PubMatic, letting advertisers set budgets, bid and upload ads via familiar tools while OpenAI’s system still controls delivery.
- Author: The Signals Desk
- Tags: Ad-tech, breaking, Alix Coutures, Catherine Perloff, OpenAI approach to advertising (Jan 16)

**Why it matters.** Advertisers get to buy ChatGPT inventory through existing programmatic tools instead of building direct integrations with OpenAI.

*Signal from* [*theinformation.com*](https://theinformation.com/?ref=medianexis.com) *·* [*Alix Coutures*](https://www.medianexis.com/tag/by-alix-coutures/)*,* [*Catherine Perloff*](https://www.medianexis.com/tag/by-catherine-perloff/) *·* [*read the original*](https://www.theinformation.com/briefings/exclusive-openai-sign-deals-magnite-pubmatic-fill-unused-chatgpt-ad-space?ref=medianexis.com)*.*