Microsoft’s new Surface RTX Spark Dev Box packs Nvidia Blackwell AI power and 128GB of unified memory to run large AI models locally, helping developers cut cloud costs and rethink enterprise AI infrastructure.

Microsoft CEO Satya Nadella has started his Build developer keynote by focusing on Windows immediately. Microsoft is expanding Windows AI APIs to more PCs, through CPU, GPU, and NPU support. There are two new local AI Windows models too, Aion 1.0 Instruct and Aion 1.0 Plan.

Nvidia's RTX Spark posits a future with local AI "supercomputers" in every home, while Google's Gemini Spark agent lives in the cloud.

Google's latest Gemini feature wants to do more than answer questions. It could change how you interact with apps altogether.The Latest Tech News, Delivered to Your Inbox

You'll need one of Google's higher-tier AI plans to get Spark, which the company describes as a '24/7 personal agent.'

Vergecast co-host with over a decade of experience covering consumer tech. Previously, at Protocol, The Wall Street Journal, and Wired. According to every product demo from the last four years, planning a trip is a killer use case for AI.

Google's new AI agent combed through my emails, documents, and calendar to plan a birthday party and still didn’t clock the person most important to me.