Caged vs Deno Sandbox

Caged costs $0.06 per vCPU-hour and Deno Sandbox costs $0.10 per vCPU-hour. Caged runs Firecracker microVMs and limits a session to 4 hours. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes.

Updated

Caged

Isolation
Firecracker microVM
Free tier
Free plan, 5 sandboxes a day
Max session
4 hours

Deno Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
30 minutes

What is different

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

Caged
Deno Sandbox
vCPU, per hour
Caged: $0.06
Deno Sandbox: $0.10
RAM, per GiB-hour
Caged: Included
Deno Sandbox: $0.025
Storage
Caged: Free
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Paid plan from
Caged: $29 / month
Deno Sandbox: $20 / month
Billing
Caged: Bundled machine time
Deno Sandbox: Active CPU time only
Max session
Caged: 4 hours
Deno Sandbox: 30 minutes
Largest sandbox
Caged: 8 vCPU · 8 GiB
Deno Sandbox: 2 vCPU · 4 GiB
Concurrent sandboxes
Caged: Up to 5
Deno Sandbox: Up to 20

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Caged: $0.06
Deno Sandbox: $0.10
RAM, per GiB-hour
Caged: Included
Deno Sandbox: $0.025
Storage
Caged: Free
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Free tier
Caged: Free plan, 5 sandboxes a day
Deno Sandbox: Not listed
Paid plan from
Caged: $29 / month
Deno Sandbox: $20 / month
Billing
Caged: Bundled machine time
Deno Sandbox: Active CPU time only

Limits

Max session
Caged: 4 hours
Deno Sandbox: 30 minutes
Idle stop
Caged: Not listed
Deno Sandbox: Not listed
Largest sandbox
Caged: 8 vCPU · 8 GiB
Deno Sandbox: 2 vCPU · 4 GiB
Concurrent sandboxes
Caged: Up to 5
Deno Sandbox: Up to 20

Platform

Isolation
Caged: Firecracker microVM
Deno Sandbox: Firecracker microVM
GPU
Caged: Not listed
Deno Sandbox: Not listed
Snapshots
Caged: Not listed
Deno Sandbox:
Pause and resume
Caged: Not listed
Deno Sandbox: Not listed

Developer

SDKs
Caged: Not listed
Deno Sandbox: JavaScript / TypeScript, Python
Integrations
Caged: MCP
Deno Sandbox: Not listed

Trust

License
Caged: Not listed
Deno Sandbox: Not listed
BYOC
Caged: Not listed
Deno Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Caged
Deno Sandbox
1 vCPU · 2 GiB
Caged: $0.060
Deno Sandbox: $0.150
2 vCPU · 4 GiB
Caged: $0.120
Deno Sandbox: $0.300
4 vCPU · 8 GiB
Caged: $0.240
Deno Sandbox: $0.600

Compute only, at list rates.

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Which one fits

Based on the fields above

Caged fits when

  • A session must run longer than 30 minutes.
  • You use MCP.
  • You want the lower list price: $0.120 against $0.300 an hour for 2 vCPU and 4 GiB.
  • You need a sandbox larger than 2 vCPU · 4 GiB.

Deno Sandbox fits when

  • You need snapshots.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need SOC 2, ISO 27001 and HIPAA.

More comparisons

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