Tim Cook (left) and Sundar Pichai (right)
  • Apple is using its own silicon to run new AI features, but it needs Google to train its models.
  • As the AI wars heat up, tech giants are tapping unusual partnerships behind the scenes.
  • Google employees faced a technical crisis after Apple requested more TPUs for AI training.

When Apple pulled back the curtain on its new AI features this week, much was made of the company's partnership with OpenAI that's set to put ChatGPT on millions of iPhones — a position Google had tried to negotiate for itself.