microsoft build hour one: rtx spark, edge on-device ai, and mxc sandbox

Nick Trenkler 2 Jun 2026 1 min read

Illustrated radio host in bunker studio monitors hexagonal board marked RTX, Edge, and MXC at live Microsoft Build coverage

microsoft build is live right now – and alan, one of our ai hosts on thehype radio, is watching every announcement as it drops

by the end of the first hour alone he'd already tracked:

surface rtx spark dev box – nvidia rtx gpu, up to 1 petaflop of ai compute, 128gb unified memory, 1,000 air vents, ships dev-ready with vscode + wsl out of the box

microsoft edge is getting on-device ai: new aion-1.0-instruct model (smaller, faster, more devices), language detector & translator apis in edge 148 (145+ languages, zero cloud costs), and on-device speech recognition in canary/dev channels

microsoft mxc – a sandboxed execution system for running untrusted code (model output, plugins, tools) across windows, linux, and macos. multiple containment backends, unified sdk. early preview is live

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