Blaxel vs Deno Sandbox

Blaxel bills memory only, at $0.0414 per GiB-hour. Deno Sandbox costs $0.10 per vCPU-hour. Blaxel runs microVMs and has no session limit. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes.

Updated

Blaxel

Isolation
MicroVM
Free tier
Credit of up to $200
Max session
No limit

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.

Blaxel
Deno Sandbox
vCPU, per hour
Blaxel: Included
Deno Sandbox: $0.10
RAM, per GiB-hour
Blaxel: $0.0414
Deno Sandbox: $0.025
Storage
Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Paid plan from
Blaxel: Pay as you go
Deno Sandbox: $20 / month
Billing
Blaxel: Memory only
Deno Sandbox: Active CPU time only
Max session
Blaxel: No limit
Deno Sandbox: 30 minutes
Isolation
Blaxel: MicroVM
Deno Sandbox: Firecracker microVM
SDKs
Blaxel: Python, TypeScript, Go
Deno Sandbox: JavaScript / TypeScript, Python

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Blaxel: Included
Deno Sandbox: $0.10
RAM, per GiB-hour
Blaxel: $0.0414
Deno Sandbox: $0.025
Storage
Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.
Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
Free tier
Blaxel: Credit of up to $200
Deno Sandbox: Not listed
Paid plan from
Blaxel: Pay as you go
Deno Sandbox: $20 / month
Billing
Blaxel: Memory only
Deno Sandbox: Active CPU time only

Limits

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

Platform

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

Developer

SDKs
Blaxel: Python, TypeScript, Go
Deno Sandbox: JavaScript / TypeScript, Python
Integrations
Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP
Deno Sandbox: Not listed

Trust

License
Blaxel: Not listed
Deno Sandbox: Not listed
BYOC
Blaxel: Bring-your-own-metal in your VPC
Deno Sandbox: Not listed

Hourly cost

One sandbox running for one hour

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

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Blaxel 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 Claude Agent SDK or MCP.
  • You want the lower list price: $0.166 against $0.300 an hour for 2 vCPU and 4 GiB.

Deno Sandbox fits when

  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

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