Deno Sandbox vs Phonebox

Deno Sandbox costs $0.10 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. Phonebox limits a session to 3 hours.

Updated

Deno Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
30 minutes

Phonebox

Isolation
Not listed
Free tier
$2 starter credit, one time, no card
Max session
3 hours

What is different

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

Deno Sandbox
Phonebox
Paid plan from
Deno Sandbox: $20 / month
Phonebox: Pay as you go
Billing
Deno Sandbox: Active CPU time only
Phonebox: Bundled machine time
Max session
Deno Sandbox: 30 minutes
Phonebox: 3 hours
Concurrent sandboxes
Deno Sandbox: Up to 20
Phonebox: Up to 5
SDKs
Deno Sandbox: JavaScript / TypeScript, Python
Phonebox: TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Deno Sandbox: $0.10
Phonebox: Not listed
RAM, per GiB-hour
Deno Sandbox: $0.025
Phonebox: Not listed
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Phonebox: Not listed
Free tier
Deno Sandbox: Not listed
Phonebox: $2 starter credit, one time, no card
Paid plan from
Deno Sandbox: $20 / month
Phonebox: Pay as you go
Billing
Deno Sandbox: Active CPU time only
Phonebox: Bundled machine time

Limits

Max session
Deno Sandbox: 30 minutes
Phonebox: 3 hours
Idle stop
Deno Sandbox: Not listed
Phonebox: After 5 minutes
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Phonebox: Not listed
Concurrent sandboxes
Deno Sandbox: Up to 20
Phonebox: Up to 5

Platform

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

Developer

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

Trust

License
Deno Sandbox: Not listed
Phonebox: Not listed
BYOC
Deno Sandbox: Not listed
Phonebox: Not listed

Hourly cost

One sandbox running for one hour

Deno Sandbox
Phonebox
1 vCPU · 2 GiB
Deno Sandbox: $0.150
Phonebox: Not listed
2 vCPU · 4 GiB
Deno Sandbox: $0.300
Phonebox: Not listed
4 vCPU · 8 GiB
Deno Sandbox: $0.600
Phonebox: Not listed

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

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.

Phonebox fits when

  • A session must run longer than 30 minutes.
  • You want to pay only for usage, with no plan fee.
  • You use MCP.
  • You need pause and resume.

More comparisons

See all comparisons

Related