There is no press release saying that they are using 500k trainium chips. You can search on amazon's site.
In the subheading of https://www.aboutamazon.com/news/aws/aws-project-rainier-ai-... Unless there are other Project Ranier customers that it's counting.
alt Hacker News
In the subheading of https://www.aboutamazon.com/news/aws/aws-project-rainier-ai-... Unless there are other Project Ranier customers that it's counting.