Deno Sandbox vs Zipbox

Deno Sandbox costs $0.10 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. Zipbox runs Firecracker microVMs and has no session limit.

Updated

Deno Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
30 minutes

Zipbox

Isolation
Firecracker microVM
Free tier
$25 credit after a one-time $5 top-up
Max session
No limit

What is different

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

Deno Sandbox
Zipbox
vCPU, per hour
Deno Sandbox: $0.10
Zipbox: $0.00685
RAM, per GiB-hour
Deno Sandbox: $0.025
Zipbox: Included
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Zipbox: Free
Paid plan from
Deno Sandbox: $20 / month
Zipbox: Pay as you go
Billing
Deno Sandbox: Active CPU time only
Zipbox: Bundled machine time
Max session
Deno Sandbox: 30 minutes
Zipbox: No limit
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Zipbox: 6 vCPU · 16 GiB
Snapshots
Deno Sandbox:
Zipbox: No
SDKs
Deno Sandbox: JavaScript / TypeScript, Python
Zipbox: TypeScript, Python, Go, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Deno Sandbox: $0.10
Zipbox: $0.00685
RAM, per GiB-hour
Deno Sandbox: $0.025
Zipbox: Included
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Zipbox: Free
Free tier
Deno Sandbox: Not listed
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
Deno Sandbox: $20 / month
Zipbox: Pay as you go
Billing
Deno Sandbox: Active CPU time only
Zipbox: Bundled machine time

Limits

Max session
Deno Sandbox: 30 minutes
Zipbox: No limit
Idle stop
Deno Sandbox: Not listed
Zipbox: Not listed
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes
Deno Sandbox: Up to 20
Zipbox: Not listed

Platform

Isolation
Deno Sandbox: Firecracker microVM
Zipbox: Firecracker microVM
GPU
Deno Sandbox: Not listed
Zipbox: Not listed
Snapshots
Deno Sandbox:
Zipbox: No
Pause and resume
Deno Sandbox: Not listed
Zipbox: No

Developer

SDKs
Deno Sandbox: JavaScript / TypeScript, Python
Zipbox: TypeScript, Python, Go, Rust
Integrations
Deno Sandbox: Not listed
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License
Deno Sandbox: Not listed
Zipbox: Not listed
BYOC
Deno Sandbox: Not listed
Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Deno Sandbox
Zipbox
1 vCPU · 2 GiB
Deno Sandbox: $0.150
Zipbox: $0.007
2 vCPU · 4 GiB
Deno Sandbox: $0.300
Zipbox: $0.014
4 vCPU · 8 GiB
Deno Sandbox: $0.600
Zipbox: $0.027

Compute only, at list rates.

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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.

Zipbox fits when

  • A session must run longer than 30 minutes.
  • You want to pay only for usage, with no plan fee.
  • You use MCP, Claude Code, the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
  • You want the lower list price: $0.014 against $0.300 an hour for 2 vCPU and 4 GiB.

More comparisons

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