Sandboxer vs Superserve

Superserve runs each sandbox in a Firecracker microVM that can pause with memory and processes intact, snapshot, and fork. It is open source and self-hostable, which Sandboxer is not. Pick Superserve to self-host or for memory-carrying forks; pick Sandboxer for a full Ubuntu VM with agents preinstalled.

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

At a glance

Sandboxer and Superserve compared
Capability	Sandboxer	Superserve
Isolation	microVM Cloud Hypervisor, its own kernel	Firecracker microVM
Full Linux with root	Ubuntu 24.04, sudo, systemd	Not stated on the official pages checked.
Docker inside	Preinstalled	Docker containers run natively inside the sandbox.
Nested virtualization (/dev/kvm)		Not stated on the official pages checked.
Pause and resume with memory	Running processes come back	Pause checkpoints memory, processes and filesystem to disk; resume restores them.
Fork a sandbox	Copy-on-write disk copy that boots fresh	Snapshots save memory and disk; forks start from that point with processes carried over, independent of each other.
HTTPS URL per port	Private with a token, or public	Preview URLs, public or with per-port authentication.
Longest session	No limit on paid plans Auto-stop is up to 30 days or off	no limit on Free and Enterprise; Pro not stated
Billing	Per second, flat rate per size Stopped sandboxes are free	per second, vCPU + memory $0.0504/vCPU-hour and $0.0162/GiB-hour.
GPUs		Not stated on the official pages checked.
Self-host or open source		Open source and self-hostable; BYOC; Enterprise self-hosting in AWS, GCP or Azure.
Regions	US East (Virginia) and EU Central (Finland)	Not stated on the official pages checked.

= not documented publicly.

Price for one 4 vCPU, 8 GB machine

Sandboxer

$0.036/hour

Flat per-second rate for the default size

Superserve

$0.33/hour

4 vCPU × $0.0504/h + 8 GiB × $0.0162/h (storage not priced on the page; Free plan caps at 2 vCPU / 2 GiB)

List prices from each provider's pricing page, before free credits, plans and storage. This compares price only.

Where Superserve is strong

Pause and snapshot keep memory and running processes, and forks inherit them.
Open source with self-hosting and BYOC.
Per-second pricing at $0.0504/vCPU-hour and $0.0162/GiB-hour.
The site cites SOC 2 Type 2, HIPAA and GDPR compliance.

Where Sandboxer differs

Superserve Pro starts at $1,000/month, whereas Sandboxer plans start at $20/month.
Superserve forks carry running processes; Sandboxer forks boot fresh from the latest disk snapshot.
Superserve is self-hostable; Sandboxer is not.
Superserve Free caps at 2 vCPU / 2 GiB / 8 GiB disk per sandbox.

Pick Superserve if

You need to self-host or run in your own cloud.
You want forks that keep running processes.
You need compliance attestations such as SOC 2 Type 2 or HIPAA cited on the site.

Pick Sandboxer if

Each Sandboxer sandbox is a full Ubuntu 24.04 VM with its own kernel, root/sudo, systemd and Docker preinstalled.
Stopping saves memory and disk and resume brings running processes back; stopped sandboxes cost nothing.
Coding agents (Claude Code, Codex, OpenCode and others) are preinstalled and driven through a prompt API, with an MCP server, REST API, CLI and TypeScript and Python SDKs.

Sources

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

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