If you’re a Windows user seeking an AI-powered browser, here is why Opera Aria is worth switching to from Chrome or Edge. Is Opera Aria Different From the Opera Browser? Opera Aria is an “agentic AI browser” which offers proactive assistance to users by anticipating their needs, and performs tasks rather than just displaying information. Aria does not require separate account creation and is a fully integrated, non-removable feature of the Opera browser. You can modify the chat window width, and a simple click fades the Aria chat window from your view.