"I cannot tell you the specifics," Cook said in an interview with Nikkei. "The specific work is very different."
Notably, Cook says AI "horizontal in nature, running across all products" and is used "in ways that most people don't even think about."
He also said that "We want the AI to increase your battery life", recommend music to Apple Music subscribers, and "help you remember where you parked your car."
While discussing Apple Pay's launch in Japan, Cook said he wants to see a move to a cashless society. "We would like to be a catalyst for taking cash out of the system," he said. "We don't think the consumer particularly likes cash."