How DeepSeek achieved its AI breakthrough, Benchmark partner Chetan Puttagunta explains

Chinese AI startup DeepSeek is sending tech stocks plunging as the market digests what its cheaper and more efficient model means for the AI trade. DeepSeek claims it spent only $5.6 million to train its V3 model, compared to the billions spent a year in capital expenditures by the likes of Microsoft and Alphabet. CNBC's Deirdre Bosa sits down with Benchmark General Partner Chetan Puttagunta to discuss how China acheived its AI breakthrough.