Hobby
$0/month
For prototypes and side-project agents.
- 10,000 free sandbox-seconds / month
- 2 vCPU, 2 GB RAM per sandbox
- 1 GB persistent filesystem
- Pause & resume included
Pay by the second. Roughly half the going rate.
Owning the hardware means we don't mark up someone else's margin. Sandboxes bill only while they run; paused sandboxes cost storage alone.
Scale
$0.000012/vCPU-second
Production agents and user-code workloads.
- Unlimited concurrent sandboxes
- Up to 32 vCPU, 128 GB RAM
- Persistent disks at $0.10/GB-month
- Snapshots, forking, custom OCI images
- Regional pinning, 14 regions
Metal reserved
Custom
Dedicated racks with committed capacity.
- Reserved bare-metal hosts
- Bring your own cloud deployment
- Single-tenant network egress rules
- SOC 2 report & DPA
- Slack channel + 30-min SLA
ironbox vs. typical hosted sandboxes
| Metric | ironbox | Others |
|---|---|---|
| Median cold start | < 50 ms | 1.2 – 4 s |
| Warm pool required | No | Usually yes |
| Compute substrate | Bare metal | Virtualized cloud |
| Cost / vCPU-hour | $0.043 | $0.09 – $0.11 |
| Filesystem across sessions | Persistent | Ephemeral or add-on |
| Bring your own cloud | Available | Rarely |