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On October 27, 2026, Opera announced that it has begun building local AI models into its browser and described WebAI as a proposed web standard. The first capabilities launched in Opera One as an optional early preview, with Opera GX and Opera Neon to follow. Opera said WebAI is backed by companies including Google and Microsoft; at launch, users can use Google's Gemma as well as Apple's on-device foundation models on Mac, and it offers APIs such as Prompt, Decision, Semantic Embeddings, and Summarizer, Writer, Rewriter, Translator, and Proofreader. The feature must be manually enabled in settings and currently supports only 64-bit Windows PCs with Intel or AMD processors and Apple silicon Macs; it does not support Intel-based Macs, Linux, or Windows on Arm.
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Opera Launches WebAI Web Standard, Enabling AI Models to Run Locally in the BrowserDevelopments
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- Source:Unite.AI
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Oct 28
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Opera Launches WebAI Web Standard, Enabling AI Models to Run Locally in the Browser
Opera has launched a new web standard called WebAI, allowing users to run AI models directly in the browser without relying on cloud services. The standard is not tied to any specific model; taking Google's open-weight model Gemma as an example, on Mac it also supports calling Apple's on-device foundation models. It is currently available as an early preview in Opera One and requires users to enable it manually, with Opera GX and Opera Neon to follow. Opera says its advantages lie in privacy protection and no subscription, but actual performance depends on the device's hardware configuration.
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Oct 27
Thurrott
Opera launches WebAI local AI preview in Opera One, GX, and Neon
Opera announced that its WebAI local AI capability has entered early preview in Opera One, Opera GX, and Opera Neon, supporting the Prompt, Decision, and Semantic Embeddings APIs, allowing developers to call various models directly within the browser, including open-weight models, without installing or configuring AI applications. Opera also provided six experimental extension examples, such as Project Lens, which colors article paragraphs by project relevance, and Got It?, which generates questions about the article being read. The feature is opt-in and can be disabled in settings; currently Opera One is available on Windows x64 and Mac Apple Silicon, with GX and Neon to follow later.
Unite.AI
Opera Releases WebAI, Embedding Local AI Models in the Browser
On October 27, 2026, Opera announced that it has begun embedding local AI models in its browser. The first batch of capabilities launched in Opera One as an optional early preview, with Opera GX and Opera Neon to follow. WebAI is described as a proposed web standard, which Opera says is supported by companies including Google and Microsoft. At launch, users can use Google's Gemma as well as Apple's on-device foundation models on Mac, and it provides APIs such as Prompt, Decision, Semantic Embeddings, as well as Summarizer, Writer, Rewriter, Translator, and Proofreader. The feature must be manually enabled in settings and currently only supports 64-bit Windows PCs with Intel or AMD processors and Apple silicon Macs; it does not support Intel-based Macs, Linux, or Windows on Arm.
9to5Mac
Opera One supports direct access to Apple's on-device foundation models on Mac
The Opera One browser has launched a preview feature that, through WebAI—a proposed web standard—lets websites and extensions call AI models running locally. Mac users can directly use Apple's on-device foundation models, or alternatively choose Google's Gemma. The feature is opt-in and requires no subscription, and users can control which websites can access local models; Opera has also released a set of sample extensions, with Opera GX and Opera Neon to follow. Opera has also launched HTML-in-Canvas, allowing developers to embed interactive web pages into 2D and 3D scenes.
TechCrunch AI
Opera launches new WebAI web standard, letting users run AI models locally in the browser
Opera has launched a new web standard called WebAI, allowing users to run AI models directly in the browser without relying on the cloud. It supports open-weight models such as Google Gemma, and on Mac it also supports Apple's on-device foundation models. The feature is available as an early preview in the flagship Opera One browser and requires users to opt in actively; Opera GX and Opera Neon will follow. Opera says developers do not need to build their own AI infrastructure or pay per request, and users do not need a subscription, with locally processed data staying on their own devices.
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