BoxCompute vs Modal

BoxCompute costs $0.10 per vCPU-hour and Modal costs $0.070956 per vCPU-hour. BoxCompute runs full VMs and limits a session to 42 hours. Modal runs gVisor, offers GPUs and limits a session to 24 hours.

Updated

BoxCompute

Isolation
Full VM
Free tier
$10 credit, one time, valid 14 days
Max session
42 hours

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.

BoxCompute
Modal
vCPU, per hour
BoxCompute: $0.10
Modal: $0.070956
RAM, per GiB-hour
BoxCompute: Included
Modal: $0.024012
Free tier
BoxCompute: $10 credit, one time, valid 14 days
Modal: $30 credit every month
Billing
BoxCompute: Bundled machine time
Modal: Per second
Max session
BoxCompute: 42 hours
Modal: 24 hours
Isolation
BoxCompute: Full VM
Modal: gVisor
SDKs
BoxCompute: Python, TypeScript
Modal: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
BoxCompute: $0.10
Modal: $0.070956
RAM, per GiB-hour
BoxCompute: Included
Modal: $0.024012
Storage
BoxCompute: Not listed
Modal: Not listed
Free tier
BoxCompute: $10 credit, one time, valid 14 days
Modal: $30 credit every month
Paid plan from
BoxCompute: Not listed
Modal: Pay as you go
Billing
BoxCompute: Bundled machine time
Modal: Per second

Limits

Max session
BoxCompute: 42 hours
Modal: 24 hours
Idle stop
BoxCompute: After 15 minutes
Modal: Not listed
Largest sandbox
BoxCompute: 1.5 vCPU · 3 GiB
Modal: Not listed
Concurrent sandboxes
BoxCompute: Not listed
Modal: Not listed

Platform

Isolation
BoxCompute: Full VM
Modal: gVisor
GPU
BoxCompute: Not listed
Modal:
Snapshots
BoxCompute: Not listed
Modal:
Pause and resume
BoxCompute:
Modal: Not listed

Developer

SDKs
BoxCompute: Python, TypeScript
Modal: Python, JavaScript / TypeScript, Go
Integrations
BoxCompute: Not listed
Modal: Claude Agent SDK

Trust

License
BoxCompute: Not listed
Modal: Not listed
BYOC
BoxCompute: Enterprise pilot on your hardware or cloud account
Modal: Not listed

Hourly cost

One sandbox running for one hour

BoxCompute
Modal
1 vCPU · 2 GiB
BoxCompute: $0.100
Modal: $0.119
2 vCPU · 4 GiB
BoxCompute: $0.200
Modal: $0.238
4 vCPU · 8 GiB
BoxCompute: $0.400
Modal: $0.476

Compute only, at list rates.

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Which one fits

Based on the fields above

BoxCompute fits when

  • A session must run longer than 24 hours.
  • You want each sandbox to be a full VM.
  • You want the lower list price: $0.200 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 want the larger free credit: $30 against $10.
  • You need snapshots.

More comparisons

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