Sandboxer vs Zo Computer

Zo Computer is a personal cloud with an always-on AI agent, 100 GB of disk and hosted sites on zo.space or custom domains, sold as monthly plans. It targets running a business or life through chat, not sandboxes for agent fleets. Pick Zo for a personal always-on assistant; pick Sandboxer for programmatic full-VM sandboxes.

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

At a glance

Sandboxer and Zo Computer compared
Capability	Sandboxer	Zo Computer
Isolation	microVM Cloud Hypervisor, its own kernel
Full Linux with root	Ubuntu 24.04, sudo, systemd
Docker inside	Preinstalled
Nested virtualization (/dev/kvm)
Pause and resume with memory	Running processes come back	partial Free trial computer sleeps when idle; paid plans stay always on.
Fork a sandbox	Copy-on-write disk copy that boots fresh
HTTPS URL per port	Private with a token, or public	partial Hosted services on zo.space subdomains and custom domains; per-port URLs not described.
Longest session	No limit on paid plans Auto-stop is up to 30 days or off	no limit on paid plans (always on)
Billing	Per second, flat rate per size Stopped sandboxes are free	monthly plans ($18/$64/$200) plus AI credits
GPUs
Self-host or open source
Regions	US East (Virginia) and EU Central (Finland)

= not documented publicly.

Where Zo Computer is strong

Always-on computer on paid plans.
Hosting on zo.space and custom domains.
100 GB disk on all plans.
14-day trial.

Where Sandboxer differs

Zo is a chat-first personal cloud, Sandboxer is a developer sandbox API.
Zo plans are fixed 2-8 vCPU machines per month, Sandboxer bills per second.
Isolation, root and Docker are not documented on Zo's public pages.

Pick Zo Computer if

You want a personal always-on AI assistant with hosting.
You prefer a flat monthly plan and chat interface.

Pick Sandboxer if

You need a full Ubuntu 24.04 VM with root, systemd, Docker and nested KVM, with agents like Claude Code and Codex preinstalled.
You want stop to save memory and disk and resume to bring processes back, with stopped sandboxes costing nothing.
You want a REST API, CLI, TypeScript and Python SDKs, and an MCP server on per-second billing.

Sources

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 If something here is out of date, email hello@sandboxer.com and we'll fix it.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

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