Siri AI at WWDC 2026

· Source: Simon Willison's Weblog · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Software Development & Engineering, Cloud Computing & IT Infrastructure · Depth: Advanced, quick

Summary

Apple's WWDC 2026 introduced new Siri AI features and a Core AI library, building on the 2024 Apple Intelligence announcements. The Siri AI, which looks feasible with current technology, licenses a custom Gemini-derived model and runs on Apple's Private Cloud Compute. It leverages vision LLMs to extract screen information, bypassing the need for app-specific integration. The Core AI library enables developers to utilize Apple hardware for their own models, integrating with Meta's PyTorch ecosystem via `coreai-torch` extensions. While an iOS 27 Developer Beta is available, Siri AI access requires a waitlist. Notably, Private Cloud Compute for demanding tasks now extends to Google Cloud systems using NVIDIA GPUs, maintaining Apple's security and privacy protections through layered architectural patterns and published binaries.

Key takeaway

For AI Engineers evaluating Apple's ecosystem for model deployment, the Core AI library's PyTorch integration signals a robust platform for on-device inference. You should investigate the `coreai-torch` extensions to leverage Apple hardware. Furthermore, the expansion of Private Cloud Compute to Google Cloud with NVIDIA GPUs, while maintaining security, offers a scalable option for more demanding agentic tasks, potentially influencing your cloud strategy for Apple-centric applications.

Key insights

Apple's new AI capabilities integrate vision LLMs and external cloud compute while prioritizing privacy and developer access.

Principles

Method

Core AI PyTorch Extensions (`coreai-torch`) bridge PyTorch models (exported as a `torch.export.ExportedProgram`) to a Core AI `AIProgram` by traversing the FX graph and mapping ATen operators.

In practice

Topics

Best for: CTO, VP of Engineering/Data, Director of AI/ML, AI Engineer, Machine Learning Engineer, Tech Journalist

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Editorial summary, takeaway, and curation by AIssential. Original article published by Simon Willison's Weblog.