What DeepSeek’s AI Did That Everyone Else’s Didn’t

The Chinese AI company DeepSeek exploded into the news cycle over the weekend after it replaced OpenAI’s ChatGPT as the most downloaded app on the Apple App Store. Its commercial success followed the publication of several papers in which DeepSeek announced that its newest R1 models—which cost significantly less for the company to make and for customers to use—are equal to, and in some cases surpass, OpenAI’s best publicly available…