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Apple Siri: Why Apple Is Paying Google $1B for Gemini

At WWDC 2026, Apple unveiled a rebuilt Siri powered by a custom, Apple-tuned Google Gemini model—reportedly a 1.2-trillion-parameter mixture-of-experts system costing roughly $1 billion a year. On-device Apple Silicon models handle quick private tasks, while complex reasoning routes to the Gemini model inside Apple's Private Cloud Compute, with a contract barring Google from training on Apple user data.

By Sarah Chen · 5 min · Jun 11, 2026