ChatGPT Ads is live. You can't buy it.
It runs through Amazon DSP as a managed service, closed pilot, US only. Amazon's announcement says nothing about measurement. And the traffic will land on listings built for a different shopper.
Topic
External traffic
3 posts on this topic.
How to drive external traffic to an Amazon listing, and prove it worked
Most Amazon accounts plateau because internal ads run out of room, not because the ads are bad. Here is how off-marketplace traffic works, what it returned on one account, and how to measure it properly.
How community traffic raises brand search volume on Amazon
Ad traffic is bought in an auction everyone else is bidding in. Community traffic is not. What that did to one brand's search volume, sales and organic rank in a slow month.