Apple rebuilds Siri on Google's Gemini and Nvidia GPUs, explains privacy safeguards at WWDC 2026
By
Alina Maria Stan
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Summary
Apple rebuilt Siri using a custom 1.2-trillion-parameter model built on Google's Gemini technology, hosted on Google Cloud servers with Nvidia Blackwell B200 GPUs. The new architecture uses a three-tier system: simple tasks stay on-device with Apple's own models, moderate tasks route through Apple's Private Cloud Compute, and complex queries go to Google Cloud. Apple spent significant time at WWDC 2026 explaining how its privacy protections work despite outsourcing AI inference to a competitor's cloud infrastructure.
Key quotes
· 3 pulledApple's most important AI announcement at WWDC 2026 was not a feature. It was an architecture.
For the company that made privacy its premium product, outsourcing AI inference to its largest competitor's cloud requires an extraordinary amount of trust engineering.
Simple tasks stay on-device using Apple's own models.
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