Markets are looking for assurances that DeepSeek hasn't completely disrupted the AI investment thesis. They may be disappointed.

"Investing 'very heavily' in capital expenditure and infrastructure is going to be a strategic advantage over time," Mark Zuckerberg said.

The economic hardware/software debate about China just got more complicated. Before DeepSeek flipped the script on the artificial intelligence game, many economists worried China had way too much of the former and not enough of the latter.

The start-up had become a key player in the “Chinese Large-Model Technology Avengers Team” that would counter US AI dominance, said another. China’s delight, however, spelled pain for several giant US technology companies as investors questioned whether DeepSeek’s breakthrough undermined the case for their colossal spending on AI infrastructure.

The U.S. tried to slow China’s advances, but the startup showed how hard that is.