Sandboxer vs Google Compute Engine

Google Compute Engine is Google Cloud's general-purpose VM service: you pick a machine type, image and network and run anything on it. Sandboxer is a narrower product where each VM is already set up for agents with snapshots, forks and per-port URLs. Pick Compute Engine for scale, GPUs, regions and the wider Google Cloud ecosystem; pick Sandboxer for ready-made agent sandboxes.

Checked against Google Compute Engine's public docs on October 24, 2026. Sources are linked in the table and listed below.

At a glance

Sandboxer and Google Compute Engine compared
Capability	Sandboxer	Google Compute Engine
Isolation	microVM Cloud Hypervisor, its own kernel	full VM Compute Engine instances are VMs; only -metal machine types are described as having no hypervisor.
Full Linux with root	Ubuntu 24.04, sudo, systemd	Linux access via OS Login or SSH keys; a guide on connecting as root is listed in the docs navigation.
Docker inside	Preinstalled
Nested virtualization (/dev/kvm)		partial Supported with Linux KVM as the L1 hypervisor, but not on E2, memory-optimized, Arm or most AMD machine types (N4D is an exception).
Pause and resume with memory	Running processes come back	partial Suspend/resume keeps memory contents (stored on persistent storage); not available for GPU instances, bare metal, Confidential VMs or instances over 208 GB; suspended for at most 60 days.
Fork a sandbox	Copy-on-write disk copy that boots fresh
HTTPS URL per port	Private with a token, or public
Longest session	No limit on paid plans Auto-stop is up to 30 days or off	no limit Instances run until stopped; a separate guide covers optionally limiting VM run time.
Billing	Per second, flat rate per size Stopped sandboxes are free
GPUs		GPU instances and machine types are documented (details on separate pages).
Self-host or open source
Regions	US East (Virginia) and EU Central (Finland)	Multiple regions and zones worldwide The full list is shown in the console, gcloud or REST.

= not documented publicly.

Where Google Compute Engine is strong

Many machine types, including GPU and bare-metal options, per the Compute Engine docs.
Nested virtualization is supported on eligible machine types.
Suspend and resume preserves instance memory for up to 60 days.
Regions and zones across the world, plus the rest of the Google Cloud platform.

Where Sandboxer differs

Compute Engine is general infrastructure: you create images, networking and firewall rules; Sandboxer VMs come preconfigured with Docker, agents and per-port HTTPS URLs.
Nested virtualization on Compute Engine depends on machine series; on Sandboxer every sandbox has /dev/kvm.
Compute Engine suspend is unavailable for GPU instances and large-memory machines; Sandboxer stop/resume applies to all sizes.
Compute Engine offers many regions and GPUs; Sandboxer runs in us-east and eu-central and has no GPUs today.

Pick Google Compute Engine if

You need GPUs, many regions, or an SLA.
You already run on Google Cloud and need VPC, IAM and billing integration.
You need machine shapes beyond Sandboxer's four sizes.

Pick Sandboxer if

You want a ready-to-use Ubuntu 24.04 VM with Docker, nested KVM and coding agents preinstalled, with no cloud account or networking to set up.
You want stop/resume that brings running processes back, instant forks of a disk snapshot, and stopped sandboxes that cost nothing.
You want any port exposed as an HTTPS URL and a prompt API, MCP server and SDKs for agents out of the box.

Sources

Products change. If something here is out of date, email hello@sandboxer.com and we'll fix it. Google Compute Engine is a trademark of its owner. Sandboxer is an independent product and is not affiliated with Google Compute Engine.

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