CreateOS Sandbox vs Modal

CreateOS Sandbox costs $0.03616363 per vCPU-hour and Modal costs $0.070956 per vCPU-hour. CreateOS Sandbox runs Firecracker microVMs and has no session limit. Modal runs gVisor, offers GPUs and limits a session to 24 hours.

Updated

CreateOS Sandbox

Isolation
Firecracker microVM
Free tier
Starting credit of 500 credits
Max session
No limit

Modal

Isolation
gVisor
Free tier
$30 credit every month
Max session
24 hours

What is different

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

CreateOS Sandbox
Modal
vCPU, per hour
CreateOS Sandbox: $0.03616363
Modal: $0.070956
RAM, per GiB-hour
CreateOS Sandbox: $0.01159025
Modal: $0.024012
Free tier
CreateOS Sandbox: Starting credit of 500 credits
Modal: $30 credit every month
Max session
CreateOS Sandbox: No limit
Modal: 24 hours
Isolation
CreateOS Sandbox: Firecracker microVM
Modal: gVisor
GPU
CreateOS Sandbox: No
Modal:
SDKs
CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
Modal: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
CreateOS Sandbox: $0.03616363
Modal: $0.070956
RAM, per GiB-hour
CreateOS Sandbox: $0.01159025
Modal: $0.024012
Storage
CreateOS Sandbox: $0.0001584 per GiB-hour
Modal: Not listed
Free tier
CreateOS Sandbox: Starting credit of 500 credits
Modal: $30 credit every month
Paid plan from
CreateOS Sandbox: Not listed
Modal: Pay as you go
Billing
CreateOS Sandbox: Per second
Modal: Per second

Limits

Max session
CreateOS Sandbox: No limit
Modal: 24 hours
Idle stop
CreateOS Sandbox: Not listed
Modal: Not listed
Largest sandbox
CreateOS Sandbox: 8 vCPU · 8 GiB
Modal: Not listed
Concurrent sandboxes
CreateOS Sandbox: Up to 20
Modal: Not listed

Platform

Isolation
CreateOS Sandbox: Firecracker microVM
Modal: gVisor
GPU
CreateOS Sandbox: No
Modal:
Snapshots
CreateOS Sandbox:
Modal:
Pause and resume
CreateOS Sandbox:
Modal: Not listed

Developer

SDKs
CreateOS Sandbox: Python, TypeScript, Go, Rust, Java
Modal: Python, JavaScript / TypeScript, Go
Integrations
CreateOS Sandbox: Not listed
Modal: Claude Agent SDK

Trust

License
CreateOS Sandbox: Not listed
Modal: Not listed
BYOC
CreateOS Sandbox: Enterprise only. Provider runs the control plane
Modal: Not listed

Hourly cost

One sandbox running for one hour

CreateOS Sandbox
Modal
1 vCPU · 2 GiB
CreateOS Sandbox: $0.059
Modal: $0.119
2 vCPU · 4 GiB
CreateOS Sandbox: $0.119
Modal: $0.238
4 vCPU · 8 GiB
CreateOS Sandbox: $0.237
Modal: $0.476

Compute only, at list rates.

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Which one fits

Based on the fields above

CreateOS Sandbox fits when

  • A session must run longer than 24 hours.
  • You want each sandbox in its own microVM.
  • You want the lower list price: $0.119 against $0.238 an hour for 2 vCPU and 4 GiB.
  • You need pause and resume.

Modal fits when

  • You need GPUs.
  • You use the Claude Agent SDK.
  • You need HIPAA and GDPR.

More comparisons

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