Opera's New WebAI Standard Lets Your Browser Run Local AI

According to TechCrunch, browser maker Opera has unveiled a new web standard called WebAI, designed to let users deploy AI models directly inside the browser. Instead of sending sensitive data to external cloud servers, the processing happens entirely on the user's machine.

Why local browser AI matters for work

Running models locally changes the equation for both developers and daily users. As reported by TechCrunch, developers can integrate AI features without paying for cloud infrastructure or per-request fees. Meanwhile, users avoid monthly AI subscriptions and keep their data private.

WebAI is not locked to a single provider. It supports open-weight models like Google's Gemma, and leverages Apple's on-device foundation models on Mac hardware. Tasks like text generation and content classification run right on the device.

How it works in practice

Opera is currently rolling out WebAI as an early preview in its flagship Opera One browser. Other versions, including Opera GX and Opera Neon, are slated to receive the feature soon.

• Download or update to the latest Opera One browser preview.
• Navigate to the settings menu and explicitly opt into the WebAI feature.
• Select or load a compatible open-weight model to start processing tasks locally.

Verdict: is local browser AI worth it?

The elimination of cloud costs and the boost in privacy make WebAI a strong option for daily productivity tasks. However, running local models puts extra strain on your computer, meaning performance depends heavily on your hardware capabilities.