CreateOS Sandbox vs Shellbox

CreateOS Sandbox costs $0.03616363 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. CreateOS Sandbox runs Firecracker microVMs and has no session limit. Shellbox runs Firecracker microVMs and has no session limit.

Updated

CreateOS Sandbox

Isolation
Firecracker microVM
Free tier
Starting credit of 500 credits
Max session
No limit

Shellbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
No limit

What is different

6 fields differ. The rest are the same or not listed.

CreateOS Sandbox
Shellbox
vCPU, per hour
CreateOS Sandbox: $0.03616363
Shellbox: $0.01
RAM, per GiB-hour
CreateOS Sandbox: $0.01159025
Shellbox: Included
Storage
CreateOS Sandbox: $0.0001584 per GiB-hour
Shellbox: A stopped box costs $0.50 per x1 slot per month
Billing
CreateOS Sandbox: Per second
Shellbox: Bundled machine time
Largest sandbox
CreateOS Sandbox: 8 vCPU · 8 GiB
Shellbox: 16 vCPU · 32 GiB
Concurrent sandboxes
CreateOS Sandbox: Up to 20
Shellbox: Up to 16

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
CreateOS Sandbox: $0.03616363
Shellbox: $0.01
RAM, per GiB-hour
CreateOS Sandbox: $0.01159025
Shellbox: Included
Storage
CreateOS Sandbox: $0.0001584 per GiB-hour
Shellbox: A stopped box costs $0.50 per x1 slot per month
Free tier
CreateOS Sandbox: Starting credit of 500 credits
Shellbox: Not listed
Paid plan from
CreateOS Sandbox: Pay as you go
Shellbox: Pay as you go
Billing
CreateOS Sandbox: Per second
Shellbox: Bundled machine time

Limits

Max session
CreateOS Sandbox: No limit
Shellbox: No limit
Idle stop
CreateOS Sandbox: Not listed
Shellbox: After 2 minutes
Largest sandbox
CreateOS Sandbox: 8 vCPU · 8 GiB
Shellbox: 16 vCPU · 32 GiB
Concurrent sandboxes
CreateOS Sandbox: Up to 20
Shellbox: Up to 16

Platform

Isolation
CreateOS Sandbox: Firecracker microVM
Shellbox: Firecracker microVM
GPU
CreateOS Sandbox: No
Shellbox: Not listed
Snapshots
CreateOS Sandbox:
Shellbox:
Pause and resume
CreateOS Sandbox:
Shellbox:

Developer

SDKs
CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
Shellbox: Not listed
Integrations
CreateOS Sandbox: Claude Code
Shellbox: Claude Code

Trust

License
CreateOS Sandbox: Not listed
Shellbox: Not listed
BYOC
CreateOS Sandbox: Enterprise only. Provider runs the control plane
Shellbox: Not listed

Hourly cost

One sandbox running for one hour

CreateOS Sandbox
Shellbox
1 vCPU · 2 GiB
CreateOS Sandbox: $0.059
Shellbox: $0.010
2 vCPU · 4 GiB
CreateOS Sandbox: $0.119
Shellbox: $0.020
4 vCPU · 8 GiB
CreateOS Sandbox: $0.237
Shellbox: $0.040

Compute only, at list rates.

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Which one fits

Based on the fields above

CreateOS Sandbox fits when

  • You need a desktop in the sandbox.
  • You need the sandboxes in your own cloud account.
  • You need SOC 2 Type II and ISO 27001.

Shellbox fits when

  • You want the lower list price: $0.020 against $0.119 an hour for 2 vCPU and 4 GiB.
  • You need a sandbox larger than 8 vCPU · 8 GiB.

More comparisons

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