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Sandboxer vs Azure Pipelines

Azure Pipelines runs jobs on a fresh Azure VM per job (Linux/Windows: 2 vCPU, 7 GB; macOS images are also offered) or on agents you host, priced per parallel job. It is CI, not an interactive environment. Pick it for Azure DevOps pipelines; pick Sandboxer for long-lived workspaces and agents.

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

At a glance

Sandboxer and Azure Pipelines compared
CapabilitySandboxerAzure Pipelines
IsolationmicroVM
Cloud Hypervisor, its own kernel
full VM (fresh VM per job)
VMs are reimaged after each run; Azure DS2_v2 general-purpose VMs.
Full Linux with root
Ubuntu 24.04, sudo, systemd
Passwordless sudo user on Linux.
Docker inside
Preinstalled
Nested virtualization (/dev/kvm)
Pause and resume with memory
Running processes come back
Fork a sandbox
Copy-on-write disk copy that boots fresh
HTTPS URL per port
Private with a token, or public
Longest sessionNo limit on paid plans
Auto-stop is up to 30 days or off
60 min free, 360 min paid
Free tier 1,800 minutes per month.
BillingPer second, flat rate per size
Stopped sandboxes are free
per parallel job
Microsoft-hosted parallel job $40/month; self-hosted $15/month; 1 free parallel job with 1,800 min/month.
GPUs
Hosted agents offer no bigger or more powerful machines; use self-hosted agents.
Self-host or open sourcepartial
Self-hosted agents and scale-set agents available; the service itself is hosted.
RegionsUS East (Virginia) and EU Central (Finland)Azure geography of your organization
Agents run in regions mapped to the org's geography.

= not documented publicly.

Where Azure Pipelines is strong

  • Fresh VM per job with passwordless sudo.
  • Supports Linux, Windows and macOS images.
  • A free tier and self-hosted agents for unlimited minutes.

Where Sandboxer differs

  • Linux and Windows hosted agents are fixed at 2 vCPU/7 GB (macOS 3 cores); Sandboxer offers 2 to 16 vCPU sizes.
  • Azure agents are discarded after one job; Sandboxer sandboxes persist, stop and resume.
  • Hosted agents offer no remote connection; Sandboxer provides SSH.

Pick Azure Pipelines if

  • Your code and boards are in Azure DevOps.
  • You need Windows or macOS build agents.
  • You want per-parallel-job pricing with unlimited minutes.

Pick Sandboxer if

  • You need a full Ubuntu 24.04 VM with root, systemd, Docker and nested KVM rather than a container or job runner.
  • You want stop to save memory and disk and resume to bring running processes back, with stopped sandboxes costing nothing.
  • You want coding agents (Claude Code, Codex, OpenCode and others) preinstalled and driven through a prompt API, with per-second billing.

Sources

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

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