microsandbox cloud vs Modal

microsandbox cloud costs $0.05 per vCPU-hour and Modal costs $0.070956 per vCPU-hour. microsandbox cloud runs microVMs. Modal runs gVisor, offers GPUs and limits a session to 24 hours.

Updated

microsandbox cloud

Isolation
MicroVM
Free tier
Free plan, 5 computer-hours a month
Max session
Not listed

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.

microsandbox cloud
Modal
vCPU, per hour
microsandbox cloud: $0.05
Modal: $0.070956
RAM, per GiB-hour
microsandbox cloud: $0.0162
Modal: $0.024012
Free tier
microsandbox cloud: Free plan, 5 computer-hours a month
Modal: $30 credit every month
Paid plan from
microsandbox cloud: $49 / month
Modal: Pay as you go
Isolation
microsandbox cloud: MicroVM
Modal: gVisor
GPU
microsandbox cloud: No
Modal:
SDKs
microsandbox cloud: Python, TypeScript, Rust, Go, Ruby
Modal: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
microsandbox cloud: $0.05
Modal: $0.070956
RAM, per GiB-hour
microsandbox cloud: $0.0162
Modal: $0.024012
Storage
microsandbox cloud: $0.0001 per GiB-hour
Modal: Not listed
Free tier
microsandbox cloud: Free plan, 5 computer-hours a month
Modal: $30 credit every month
Paid plan from
microsandbox cloud: $49 / month
Modal: Pay as you go
Billing
microsandbox cloud: Per second
Modal: Per second

Limits

Max session
microsandbox cloud: Not listed
Modal: 24 hours
Idle stop
microsandbox cloud: Not listed
Modal: Not listed
Largest sandbox
microsandbox cloud: Not listed
Modal: Not listed
Concurrent sandboxes
microsandbox cloud: Up to 25,000
Modal: Not listed

Platform

Isolation
microsandbox cloud: MicroVM
Modal: gVisor
GPU
microsandbox cloud: No
Modal:
Snapshots
microsandbox cloud:
Modal:
Pause and resume
microsandbox cloud: No
Modal: Not listed

Developer

SDKs
microsandbox cloud: Python, TypeScript, Rust, Go, Ruby
Modal: Python, JavaScript / TypeScript, Go
Integrations
microsandbox cloud: Not listed
Modal: Claude Agent SDK

Trust

License
microsandbox cloud: Apache-2.0
Modal: Not listed
BYOC
microsandbox cloud: Not listed
Modal: Not listed

Hourly cost

One sandbox running for one hour

microsandbox cloud
Modal
1 vCPU · 2 GiB
microsandbox cloud: $0.082
Modal: $0.119
2 vCPU · 4 GiB
microsandbox cloud: $0.165
Modal: $0.238
4 vCPU · 8 GiB
microsandbox cloud: $0.330
Modal: $0.476

Compute only, at list rates.

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Which one fits

Based on the fields above

microsandbox cloud fits when

  • You want each sandbox in its own microVM.
  • You want an open-source platform (Apache-2.0) that you can self-host.
  • You want the lower list price: $0.165 against $0.238 an hour for 2 vCPU and 4 GiB.

Modal fits when

  • You need GPUs.
  • You want to pay only for usage, with no plan fee.
  • You use the Claude Agent SDK.
  • You need a desktop in the sandbox.

More comparisons

See all comparisons

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