InstaVM vs Sandbox as a Service

InstaVM costs $0.0504 per vCPU-hour and Sandbox as a Service costs $0.045 per vCPU-hour. InstaVM runs Firecracker microVMs. Sandbox as a Service runs full VMs and limits a session to 24 hours.

Updated

InstaVM

Isolation
Firecracker microVM
Free tier
$50 credit
Max session
Not listed

Sandbox as a Service

Isolation
Full VM
Free tier
$5 credit
Max session
24 hours

What is different

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

InstaVM
Sandbox as a Service
vCPU, per hour
InstaVM: $0.0504
Sandbox as a Service: $0.045
RAM, per GiB-hour
InstaVM: $0.0162
Sandbox as a Service: Included
Free tier
InstaVM: $50 credit
Sandbox as a Service: $5 credit
Paid plan from
InstaVM: $100 / month
Sandbox as a Service: Pay as you go
Billing
InstaVM: Per second
Sandbox as a Service: Bundled machine time
Concurrent sandboxes
InstaVM: Up to 100
Sandbox as a Service: Up to 20
Isolation
InstaVM: Firecracker microVM
Sandbox as a Service: Full VM
SDKs
InstaVM: Python, TypeScript
Sandbox as a Service: Python, JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
InstaVM: $0.0504
Sandbox as a Service: $0.045
RAM, per GiB-hour
InstaVM: $0.0162
Sandbox as a Service: Included
Storage
InstaVM: $0.0002 per GiB-hour after 10 free GiB
Sandbox as a Service: Not listed
Free tier
InstaVM: $50 credit
Sandbox as a Service: $5 credit
Paid plan from
InstaVM: $100 / month
Sandbox as a Service: Pay as you go
Billing
InstaVM: Per second
Sandbox as a Service: Bundled machine time

Limits

Max session
InstaVM: Not listed
Sandbox as a Service: 24 hours
Idle stop
InstaVM: Not listed
Sandbox as a Service: Not listed
Largest sandbox
InstaVM: Not listed
Sandbox as a Service: 8 vCPU · 16 GiB
Concurrent sandboxes
InstaVM: Up to 100
Sandbox as a Service: Up to 20

Platform

Isolation
InstaVM: Firecracker microVM
Sandbox as a Service: Full VM
GPU
InstaVM: Not listed
Sandbox as a Service: Not listed
Snapshots
InstaVM:
Sandbox as a Service:
Pause and resume
InstaVM:
Sandbox as a Service: Not listed

Developer

SDKs
InstaVM: Python, TypeScript
Sandbox as a Service: Python, JavaScript / TypeScript
Integrations
InstaVM: Not listed
Sandbox as a Service: MCP

Trust

License
InstaVM: Not listed
Sandbox as a Service: Not listed
BYOC
InstaVM: Not listed
Sandbox as a Service: Not listed

Hourly cost

One sandbox running for one hour

InstaVM
Sandbox as a Service
1 vCPU · 2 GiB
InstaVM: $0.083
Sandbox as a Service: $0.045
2 vCPU · 4 GiB
InstaVM: $0.166
Sandbox as a Service: $0.090
4 vCPU · 8 GiB
InstaVM: $0.331
Sandbox as a Service: $0.180

Compute only, at list rates.

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Which one fits

Based on the fields above

InstaVM fits when

  • You want each sandbox in its own microVM.
  • You want the larger free credit: $50 against $5.
  • You need pause and resume.
  • You need a desktop in the sandbox.

Sandbox as a Service fits when

  • You want to pay only for usage, with no plan fee.
  • You want each sandbox to be a full VM.
  • You use MCP.
  • You want the lower list price: $0.090 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

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