What happened
Amazon Ads said on September 10 it will let its advertisers extend campaigns into ChatGPT's conversational ad slots as a US pilot, buying OpenAI's "ChatGPT Ads" inventory through Amazon DSP.
Why it matters
OpenAI's ad revenue has reached an annualized scale of $1 billion, up from a test launched in February for logged-in US adult Free and Go users, with Plus or higher paid plans ad-free.
What to watch
Amazon's team handles setup, optimization, CPC and CPM buying, but OpenAI's ad system decides where ads actually appear; the split matters because Amazon has restricted external AI platforms' access to its shopping site.
WHO IT HITSUS advertisers already running campaigns through Amazon DSP gain a new way to reach ChatGPT users, while managed-service teams at Amazon Ads handle setup and optimization for them.
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The tie-up joins two very different positions in advertising. OpenAI has been building an ad business inside ChatGPT, and its ad program now works with more than 50 adtech companies—so bringing Amazon in extends a roster that was already broad. Amazon, for its part, has kept outside AI platforms at arm's length on its own shopping site, restricting access from ChatGPT, Anthropic's Claude and Google's Gemini. Working with OpenAI on advertising is a contrasting move.
The mechanics keep each side in its lane. Amazon supplies the buying and campaign-management layer through its DSP, with its own team supporting setup and optimization and using Amazon's first-party data for targeting, while OpenAI's ad system decides where ads actually run inside ChatGPT. OpenAI has said ads are always labeled and separated from answers, do not influence responses, and that conversation content is not disclosed to advertisers and customer data is not sold. Ads currently reach logged-in US adult users on Free and Go plans; paid Plus-and-above tiers do not see them.
Whether this proves durable may hinge on whether US advertisers find the conversational placements worth the spend, and on how OpenAI's controls over delivery interact with Amazon's optimization. For advertisers who already sell on Amazon, or who use Amazon DSP without selling there, the opening is a new path to ChatGPT's audience—though for now it stays a US pilot and does not touch Japan directly.
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