Google parent's revenue jumps 25% as homegrown AI chips take on Nvidia

TPUs become 'meaningful' contributor with nearly 100 customers Alphabet shares plunged more than 9% in extended trading Wednesday. © Reuters PALO ALTO, California -- Google's Tensor Processing Units (TPUs) have become a "meaningful contributor" to revenue growth, as demand for the search giant's in-house AI chips rises amid the artificial intelligence infrastructure buildout, challenging Nvidia's dominance in the market.