The wave of AI data-center announcements in recent months has Barclays analysts feeling more positive about Nvidia and other AI chip names as they see the AI infrastructure market reaching $2 trillion and beyond.

This week, I’m focusing on the terms of Nvidia’s investment in OpenAI, in which the GPU maker gets guaranteed chip sales, an equity stake, and likely a product road map for years to come. I also look at the industry’s fixation on huge models and the quiet appeal of small ones.