DeepSeek Shows Meta’s A.I. Strategy Is Working

When a small Chinese company called DeepSeek revealed that it had created an A.I. system that could match leading A.I. products made in the United States, the news was greeted in many circles as a warning that China was closing the gap in the global race to build artificial intelligence.

DeepSeek also said it built its new A.I. technology more cost effectively and with fewer hard-to-get computers chips than its American competitors, shocking an industry that had come to believe that bigger…