Deno Sandbox vs Tenki Sandbox

Deno Sandbox costs $0.10 per vCPU-hour and Tenki Sandbox costs $0.0504 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. Tenki Sandbox runs full VMs.

Updated

Deno Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
30 minutes

Tenki Sandbox

Isolation
Full VM
Free tier
$100 credit, one time
Max session
Not listed

What is different

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

Deno Sandbox
Tenki Sandbox
vCPU, per hour
Deno Sandbox: $0.10
Tenki Sandbox: $0.0504
RAM, per GiB-hour
Deno Sandbox: $0.025
Tenki Sandbox: $0.0162
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Paid plan from
Deno Sandbox: $20 / month
Tenki Sandbox: $200 / month
Billing
Deno Sandbox: Active CPU time only
Tenki Sandbox: Per second
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Tenki Sandbox: 16 vCPU · 64 GiB
Concurrent sandboxes
Deno Sandbox: Up to 20
Tenki Sandbox: Up to 100
Isolation
Deno Sandbox: Firecracker microVM
Tenki Sandbox: Full VM
SDKs
Deno Sandbox: JavaScript / TypeScript, Python
Tenki Sandbox: Python, TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Deno Sandbox: $0.10
Tenki Sandbox: $0.0504
RAM, per GiB-hour
Deno Sandbox: $0.025
Tenki Sandbox: $0.0162
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Free tier
Deno Sandbox: Not listed
Tenki Sandbox: $100 credit, one time
Paid plan from
Deno Sandbox: $20 / month
Tenki Sandbox: $200 / month
Billing
Deno Sandbox: Active CPU time only
Tenki Sandbox: Per second

Limits

Max session
Deno Sandbox: 30 minutes
Tenki Sandbox: Not listed
Idle stop
Deno Sandbox: Not listed
Tenki Sandbox: Not listed
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Tenki Sandbox: 16 vCPU · 64 GiB
Concurrent sandboxes
Deno Sandbox: Up to 20
Tenki Sandbox: Up to 100

Platform

Isolation
Deno Sandbox: Firecracker microVM
Tenki Sandbox: Full VM
GPU
Deno Sandbox: Not listed
Tenki Sandbox: Not listed
Snapshots
Deno Sandbox:
Tenki Sandbox:
Pause and resume
Deno Sandbox: Not listed
Tenki Sandbox:

Developer

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

Trust

License
Deno Sandbox: Not listed
Tenki Sandbox: Not listed
BYOC
Deno Sandbox: Not listed
Tenki Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Deno Sandbox
Tenki Sandbox
1 vCPU · 2 GiB
Deno Sandbox: $0.150
Tenki Sandbox: $0.083
2 vCPU · 4 GiB
Deno Sandbox: $0.300
Tenki Sandbox: $0.166
4 vCPU · 8 GiB
Deno Sandbox: $0.600
Tenki Sandbox: $0.331

Compute only, at list rates.

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Which one fits

Based on the fields above

Deno Sandbox fits when

  • You want each sandbox in its own microVM.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need SOC 2, ISO 27001 and HIPAA.

Tenki Sandbox fits when

  • You want each sandbox to be a full VM.
  • You use MCP.
  • You want the lower list price: $0.166 against $0.300 an hour for 2 vCPU and 4 GiB.
  • You need pause and resume.

More comparisons

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