Apple’s iOS 26.4 Siri Upgrade Exceeds Initial Promises: Here’s Why

Taylor Keatsman

Published: February 6, 2026 10:22 PM ET

Apple’s iOS 26.4 Siri Upgrade Exceeds Initial Promises: Here’s Why

Apple’s upcoming iOS 26.4 update will revolutionize Siri, enhancing user interaction and functionality significantly. Set to launch in Spring 2026, this new version will leverage advanced large language models (LLMs), improving not only basic tasks but also complex requests.

Enhanced Architecture of Siri

The next iteration of Siri will utilize a sophisticated LLM core, departing from its current structure that uses multiple task-specific models. Instead of merely recognizing voice commands and extracting keywords, Siri will comprehend the context and apply reasoning to fulfill user requests.

Current Limitations

Siri currently excels at basic tasks such as setting timers, sending messages, or controlling smart devices.
It struggles with multi-step requests and nuanced language.
There is no context awareness for follow-up questions or personal user preferences.

Promised Features in iOS 26.4

The new Siri update promises several groundbreaking features that include the following:

Personal Context: Siri will remember user interactions regarding emails, messages, files, and more.
Onscreen Awareness: This feature allows Siri to understand and interact with content displayed on the user’s screen.
Deeper App Integration: Users will be able to perform tasks across multiple applications seamlessly.

Development Journey and Challenges

Apple initially announced enhanced Siri capabilities during the 2024 Worldwide Developers Conference. However, the release was delayed due to integration issues between existing command systems and new AI technologies. This setback led to an extensive overhaul of Siri, involving restructured AI leadership.

Leadership Changes

Following performance concerns, Apple replaced John Giannandrea with Mike Rockwell, who has been influential in driving improvements in Siri development. Apple CEO Tim Cook affirmed the company’s commitment to AI, underscoring that Siri is a top priority.

Collaboration with Google

To elevate Siri’s capabilities, Apple formed a multi-year partnership with Google, utilizing the Gemini model to enhance the personal assistant’s intelligence. While Apple continues developing in-house models, Gemini will enable more robust features in the immediate future.

Looking Ahead

Siri’s transformation in iOS 26.4 is a significant step toward future capabilities, with plans for an even more advanced chatbot version in the iOS 27 update. This evolution aims to position Siri closer to AI competitors like ChatGPT and Claude.

Launch Timeline

Testing for iOS 26.4 is anticipated to commence in late February or early March 2026, with a full launch expected around April. This upgrade aims to redefine user interactions with Siri, making it a more intelligent and responsive personal assistant.