OpenAI Expands ChatGPT Advertising Services to Japanese Users

0xBroomberg
Published 2026-06-18About 6 min read

OpenAI is launching in-chat ads on ChatGPT in Japan, priced at roughly ¥5,000 (about $31) per thousand impressions — marking advertising as its second global revenue pillar alongside subscriptions.

01

How will the ads work, and who sees them?

Ads appear inside the conversation as users chat with ChatGPT, matched to past dialogue topics and interests.
Only free-tier and low-cost Go plan users see ads; paid premium subscribers are unaffected.
Privacy guardrails are explicit: health-sensitive data, political content, and government-regulated categories are all excluded.
02

Why Japan, and who is selling the inventory?

OpenAI tapped three major Japanese ad agencies as intermediaries: Dentsu Digital, Hakuhodo DY ONE, and CyberAgent.
This means → OpenAI is not building a local sales force but grafting onto Japan's existing ad-distribution network for the fastest possible rollout.
Japan is one of the first Asian pilot markets, announced alongside South Korea in May this year.
03

What does the U.S. pilot scorecard tell us?

The U.S. pilot launched in February with Target, Adobe, and Mazda among the early advertisers.
The key number: in just six weeks, the ad business hit an annualized run rate above $100 million.
This means → advertisers are willing to pay a premium for the moment a user is actively searching or comparing products — ChatGPT's conversational setting delivers that intent signal by default.
Sensor Tower data shows business-software and furniture / home-goods ads appeared most frequently.
04

Are Google and Amazon doing the same thing?

Google announced in May it will embed ads in AI Mode, its conversational search feature, generating product descriptions from user interactions.
Amazon has already added ads to its U.S. AI shopping assistant, framed as "Why choose this product?" prompts that expand into detailed explanations.
In plain terms = all three giants are making the same bet — as AI chat gradually replaces traditional search, ad budgets must follow the users, and whoever owns the entry point collects first.

Content is for reference only, not financial advice.