Apple is set to launch a revamped Siri in the upcoming iOS 26.4 update, replacing its current machine‑learning backbone with a full‑stack LLM. The new assistant will understand nuance, reason through multi‑step requests, and remember context, turning voice commands into more natural conversations for users across all Apple devices.

Under the new architecture, Apple Intelligence powers features like personal context, onscreen awareness, and deeper app integration. Siri will now recognize pronouns, pull data from emails or photos, and move files between apps—capabilities that were only hinted at during the 2024 WWDC preview for a smoother user experience.

The overhaul followed a failed hybrid model and a high‑profile delay that sparked lawsuits. Apple’s leadership reshuffle saw Craig Federighi replace Mike Rockwell as the AI chief, while a multi‑year partnership with Google Gemini will supply the LLM backbone, ensuring competitive parity with OpenAI and Anthropic for the.

Consumers can expect the first beta in late February, with a public rollout around April. While the update won’t turn Siri into a full chatbot, it lays groundwork for a future iOS 27 version that will support back‑and‑forth conversations, marking a significant step toward AI‑driven personal assistants for the.