What Apple’s AI deal with Google means for the two tech giants, and for $500 billion ‘upstart’ OpenAI

Apple and Google’s surprise AI partnership announcement on Monday sent shockwaves across the tech industry (and lifted Google’s market cap above $4 trillion). The two tech giants’ deal to infuse Google’s AI technology into Apple’s mobile software, including in an updated version of the Siri digital assistant, has major implications in the high-stakes battle to dominate AI and to own the platform that will define the next generation of computing.

While there are still many unanswered questions about the partnership...