Apple Launches iOS 27 and macOS 27 with Siri AI Overhaul and Liquid Glass Updates

Reviewed byNidhi Govil

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Apple released iOS 27 and macOS Golden Gate 27 with Siri AI, a large language model-based assistant that understands on-screen context and personal history. The update includes Liquid Glass design refinements, 120+ security patches, and AI productivity features. Siri AI requires iPhone 15 Pro or newer, while macOS 27 supports all Apple Silicon Macs.

Apple has released major updates to its operating systems with iOS 27 and macOS 27 Golden Gate, marking a significant transformation of Siri into an AI-powered assistant that rivals ChatGPT and other large language model-based tools. The updates, available now for supported devices, introduce context-aware capabilities that fundamentally change how users interact with their Apple devices.

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Source: Macworld

Source: Macworld

Siri AI Transforms Apple's Voice Assistant

Siri AI represents a complete context-aware overhaul of the voice assistant, built on Apple's AFM 3 models. The system uses multiple models including AFM 3 Core with 3 billion parameters for on-device processing, and AFM 3 Core Advanced, a 20 billion-parameter model that activates just 1 to 4 billion parameters at a time depending on the request. More powerful cloud-based models like AFM 3 Cloud and AFM3 Cloud Pro handle complex queries on remote servers.

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The new assistant can respond to natural language requests, explain what's on screen, and search through personal context including old emails and text messages. Users can now ask Siri complex, multi-step questions and receive accurate responses. One reviewer noted asking Siri to find small or hidden iOS 27 features and add them to a note, which it accomplished successfully.

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Source: Gizmodo

Source: Gizmodo

Real-World Applications Show Practical Value

Siri AI's on-screen context capabilities enable entirely new use cases. When viewing sports team lineups, users can ask about the oldest player on the pitch. At restaurants, the Camera app with Siri access allows questions about items in the viewfinder—when pointed at a green drink at an Indian restaurant, Siri correctly identified it could be Jaljeera or Aam Panna after receiving context.

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The assistant can draft messages, create complex shortcuts from natural language prompts like "Show me today's to-do items every morning at 8 am," and track changes to web pages for price drops or policy updates. Users can select text and ask Siri to proofread, improve, or rewrite it—particularly useful on macOS 27 where the desktop surface better supports writing tasks.

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Apple Intelligence Powers Productivity Features

Beyond Siri AI, Apple Intelligence enables several AI productivity apps and features across iOS 27 and macOS Golden Gate 27. The Photos app includes new "reframe" and "extend" tools alongside an improved eraser that leaves fewer artifacts when removing objects. Safari gains AI-powered page tracking and can automatically organize tabs based on topics.

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On macOS 27, Visual Intelligence features allow users to press Command + Shift + Space to add the current window to AI context, or Command + Shift + 6 to select specific screen portions for queries. Spotlight Search improvements let users ask Siri questions directly within Spotlight and search within specific contexts like Applications, Files, Actions, and Clipboard.

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Liquid Glass Design Refinements Address User Feedback

Both operating systems now include a slider to adjust Liquid Glass transparency across the interface. macOS 27 Golden Gate brings numerous small design tweaks accumulated since Liquid Glass's introduction, including uniform refraction, improved contrast, and consistent window corner radii. Sidebars now stretch edge-to-edge with colorful icons, and the system better highlights active windows.

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Source: Stuff

Source: Stuff

The updates include HDR support for all system UI elements on macOS 27 and more robust support for external monitor display modes. These quality-of-life improvements address longstanding user feedback about interface consistency.

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Security Patches and Device Compatibility

iOS 27 patches more than 120 security vulnerabilities, some allowing attackers to install malware, steal sensitive data, and gain control of unpatched devices. Apple simultaneously released iOS 26.7, iPadOS 26.7, and macOS 26.7 with nearly 80 security patches for users unable to upgrade to version 27.

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iOS 27 supports iPhone 11 and later, but Siri AI requires iPhone 15 Pro or iPhone 16 or newer. macOS Golden Gate requires M-series Macs with Apple Silicon—Intel Macs are no longer supported. Notably, macOS 27 Golden Gate is the last version supporting Rosetta, meaning many older Intel-based applications will stop working after this cycle, though Apple carved out exceptions for older games.

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Additional Platform Updates

Apple also released watchOS 27, visionOS 27, tvOS 27, and iPadOS 27. watchOS 27 adds the Siri app and Siri AI, expanded health features including perimenopause and menopause tracking, and more accurate step counting, while removing little-used features like Walkie Talkie. visionOS 27 includes Siri AI, a new Thórsmörk virtual environment, and improved screen recording. tvOS 27 notably lacks Siri AI features, focusing instead on Podcasts and Music app tweaks and larger text size options.

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Siri AI is launching as a beta initially available only in English, with support for French, Japanese, Korean, Portuguese, and Spanish coming in October. A dedicated Siri app maintains chat history for easier reference across both iOS 27 and macOS 27.

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