Windows' bet on 'hybrid intelligence': AI agents that run on your PC or in the cloud, whichever fits

Microsoft wants Windows to decide where each AI task runs, locally or in the cloud, and to keep agents in secure containers. Microsoft Execution Containers are now generally available, and Surface Laptop Ultra is up for pre-order.

Published October 25, 2026 3:36pm EDT | Updated October 25, 2026 6:27pm EDT · 2 min read

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Microsoft Windows and Devices announcement image (Microsoft)· 2 min read

Key points

Microsoft calls its new Windows strategy 'hybrid intelligence'
Microsoft Execution Containers (MXC), which isolate AI agents, are now generally available
Copilot will be able to use local PC context, take actions and run on local AI models
Surface Laptop Ultra, powered by NVIDIA RTX Spark, is available for pre-order

Should an AI task run on your laptop or on a server farm? Microsoft's answer for Windows is: let the system decide, task by task. The company calls it "hybrid intelligence."

In an announcement covering Windows, Copilot, Surface and new partner PCs, Microsoft described Windows as a platform where AI agents "can run locally on a device when needed, connect to the cloud when appropriate," with security and management built in.

What hybrid intelligence means

The idea rests on three pieces Microsoft is adding to Windows:

Intelligent routing that sends each job to the right place,
local AI models that run on the PC itself,
a fast runtime to run those models efficiently.

Microsoft's argument is practical. Small, private tasks don't need the cloud, which saves money and keeps data on your device. Big tasks can still reach out to a powerful server model.

Containers to keep agents in check

The most concrete news is that Microsoft Execution Containers (MXC) are now generally available on Windows. They give AI agents a contained space to work in, so companies can:

control what an agent can access,
see which agent performed which action,
manage agents across thousands of machines.

This matters because agents don't just answer questions; they click, type and change files. Containing them is the same concern NVIDIA addressed with its OpenShell reference architecture, which already supports MXC on Windows.

Copilot gets access to your PC

Microsoft says Copilot will be able to use local context from your PC, perform actions on your behalf and tap into local AI models. That should make it more capable and cheaper to run. It also raises an obvious question: what Copilot can see on your machine. Microsoft frames the containment and identity tools as the answer, but the details of permissions will matter.

New hardware for local AI

Microsoft and its partners are introducing PCs designed for these workloads, from always-on mini desktops to AI workstations. Surface Laptop Ultra, powered by NVIDIA's RTX Spark chip, is available for pre-order. We looked at what RTX Spark brings in NVIDIA RTX Spark laptops are out.

Smaller updates include new actions in Windows Search that let you complete tasks from the taskbar, plus gaming and performance improvements.

What it means for you

If you use Windows at work, expect AI agents to arrive inside managed containers, with IT deciding what they may touch. At home, the benefit is more AI that works offline and keeps your files on your device, if your PC has the hardware for it.

Sources

Building Windows for Hybrid Intelligence (Microsoft)

Source: Microsoft

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