# Expanding on-device AI in Microsoft Edge: New models and APIs for the web

DevFeed: [Expanding on-device AI in Microsoft Edge: New models and APIs for the web](<https://devfeed.tech/articles/expanding-on-device-ai-in-microsoft-edge-new-models-and-apis-for-the-web-4247.md>)

Original publisher: [Read original article](<https://blogs.windows.com/msedgedev/2026/06/02/expanding-on-device-ai-in-microsoft-edge-new-models-and-apis-for-the-web/>)

Author: Patrick Brosset

Published: 2026-06-02T16:28:06Z

Content type: article

Language: en

Sources: [Microsoft Edge Blog](<https://devfeed.tech/sources/microsoft-edge-blog.md>)

Topics: [Edge](<https://devfeed.tech/topics/edge.md>), [On-device AI](<https://devfeed.tech/topics/on-device-ai.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [API](<https://devfeed.tech/topics/api.md>), [Language models](<https://devfeed.tech/topics/language-models.md>), [Web](<https://devfeed.tech/topics/web.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Microsoft](<https://devfeed.tech/topics/microsoft.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [cpu](<https://devfeed.tech/topics/cpu.md>), [hugging face](<https://devfeed.tech/topics/hugging-face.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-apis](<https://devfeed.tech/tags/ai-apis.md>), [api](<https://devfeed.tech/tags/api.md>), [availability](<https://devfeed.tech/tags/availability.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [github](<https://devfeed.tech/tags/github.md>), [gpu](<https://devfeed.tech/tags/gpu.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [microsoft-edge](<https://devfeed.tech/tags/microsoft-edge.md>), [models](<https://devfeed.tech/tags/models.md>), [on-device-ai](<https://devfeed.tech/tags/on-device-ai.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [web](<https://devfeed.tech/tags/web.md>), [web-apis](<https://devfeed.tech/tags/web-apis.md>), [web-platform](<https://devfeed.tech/tags/web-platform.md>)

## AI overview

Microsoft Edge is expanding its on-device AI capabilities with a developer preview of the smaller Aion-1.0-Instruct language model, new Language Detector and Translator APIs in Edge 148, and experimental on-device speech recognition through the Web Speech API. The updates target broader device support, including CPU-only systems, while emphasizing privacy, network independence, and web-developer experimentation.

## Source excerpt

At Build 2025, we introduced the Prompt and Writing Assistance APIs in Microsoft Edge with the Phi-4-mini language model. Since then, we' The post Expanding on-device AI in Microsoft Edge: New models and APIs for the web appeared first on Microsoft Edge Blog.