Windows Blog Follow Expanding on‑device AI in Microsoft Edge: New models and APIs for the web At Build 2025, we introduced the Prompt and Writing Assistance APIs in Microsoft Edge with the Phi-4-mini language model. Since then, we' https://blogs.windows.com/msedgedev/2026/06/02/expanding-on-device-ai-in-microsoft-edge-new-models-and-apis-for-the-web/ blogs.windows.com