Deno Sandbox vs Runtime

Deno Sandbox costs $0.10 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. Runtime runs Firecracker microVMs and has no session limit.

Updated

Deno Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
30 minutes

Runtime

Isolation
Firecracker microVM
Free tier
100 hours of a 1 GB machine in the first 30 days
Max session
No limit

What is different

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

Deno Sandbox
Runtime
vCPU, per hour
Deno Sandbox: $0.10
Runtime: $0.025
RAM, per GiB-hour
Deno Sandbox: $0.025
Runtime: $0.0075
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Runtime: $0.000119 per GiB-hour after 10 free GiB
Paid plan from
Deno Sandbox: $20 / month
Runtime: Pay as you go
Max session
Deno Sandbox: 30 minutes
Runtime: No limit
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes
Deno Sandbox: Up to 20
Runtime: Up to 200
SDKs
Deno Sandbox: JavaScript / TypeScript, Python
Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Deno Sandbox: $0.10
Runtime: $0.025
RAM, per GiB-hour
Deno Sandbox: $0.025
Runtime: $0.0075
Storage
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier
Deno Sandbox: Not listed
Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from
Deno Sandbox: $20 / month
Runtime: Pay as you go
Billing
Deno Sandbox: Active CPU time only
Runtime: Active CPU time only

Limits

Max session
Deno Sandbox: 30 minutes
Runtime: No limit
Idle stop
Deno Sandbox: Not listed
Runtime: After 5 minutes
Largest sandbox
Deno Sandbox: 2 vCPU · 4 GiB
Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes
Deno Sandbox: Up to 20
Runtime: Up to 200

Platform

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

Developer

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

Trust

License
Deno Sandbox: Not listed
Runtime: Not listed
BYOC
Deno Sandbox: Not listed
Runtime: Not listed

Hourly cost

One sandbox running for one hour

Deno Sandbox
Runtime
1 vCPU · 2 GiB
Deno Sandbox: $0.150
Runtime: $0.040
2 vCPU · 4 GiB
Deno Sandbox: $0.300
Runtime: $0.080
4 vCPU · 8 GiB
Deno Sandbox: $0.600
Runtime: $0.160

Compute only, at list rates.

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Which one fits

Based on the fields above

Deno Sandbox fits when

  • You need SOC 2, ISO 27001 and HIPAA.

Runtime fits when

  • A session must run longer than 30 minutes.
  • You want to pay only for usage, with no plan fee.
  • You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK, LangChain, MCP or Claude Code.
  • You want the lower list price: $0.080 against $0.300 an hour for 2 vCPU and 4 GiB.

More comparisons

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