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Apple has officially unveiled the biggest Siri upgrade since the voice assistant debuted in 2011.After years of lagging behind rivals like ChatGPT and Gemini — and following multiple delays to its promised AI features — Apple used WWDC 2026 to reveal a completely revamped Siri powered by Apple Intelligence.The new Siri, known as Siri AI, is designed to be more conversational, more capable and more aware of what's happening across your devices. Apple says the assistant can now understand context, perform more complex actions and help users get things done without constantly jumping between apps. And the best part? The update goes all the way back to iPhone 11.Here's everything Apple announced.Siri is now a true AI chatbotThe biggest change is that Siri is no longer designed around one-off voice commands.Apple says the new assistant can hold natural conversations, remember context between requests and better understand what you're trying to accomplish.This brings Siri much closer to the experience people have come to expect from ChatGPT and Gemini. Instead of starting from scratch with every question, Siri can now carry a conversation forward naturally. Through natural conversation, Siri AI can help set reminders, play music or help with tasks for every day support.Get instant access to breaking news, the hottest reviews, great deals and helpful tips.Siri finally gets its own appOne of the biggest surprises announced at WWDC is a dedicated Siri app.Rather than existing solely as a voice assistant, Siri AI now has a home where users can review previous conversations, continue chats and interact through text as well as voice.For many users, this could be one of the most important changes because it transforms Siri from a feature into a destination.Siri is also available for watchOS so you can ask questions and take action right on your wrist.Siri AI has a new voice experience Siri AI has a brand new voice experience. The AI assistant's voice can be customized like never before, from pace and tone to receptivity until you find one that clicks. Plus, there is a system wide update to dictation. Built right into the system, it works with messaging to journaling apps. It also works throughout all of the iOS system from CarPlay to AirPods.Visual Intelligence