Bunny Sandbox vs Modal

Bunny Sandbox costs $0.02 per vCPU-hour and Modal costs $0.070956 per vCPU-hour. Bunny Sandbox runs gVisor. Modal runs gVisor, offers GPUs and limits a session to 24 hours.

Updated

Bunny Sandbox

Isolation
gVisor
Free tier
Not listed
Max session
Not listed

Modal

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

What is different

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

Bunny Sandbox
Modal
vCPU, per hour
Bunny Sandbox: $0.02
Modal: $0.070956
RAM, per GiB-hour
Bunny Sandbox: $0.005
Modal: $0.024012
Billing
Bunny Sandbox: Active CPU time only
Modal: Per second
SDKs
Bunny Sandbox: JavaScript / TypeScript
Modal: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Bunny Sandbox: $0.02
Modal: $0.070956
RAM, per GiB-hour
Bunny Sandbox: $0.005
Modal: $0.024012
Storage
Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB
Modal: Not listed
Free tier
Bunny Sandbox: Not listed
Modal: $30 credit every month
Paid plan from
Bunny Sandbox: Not listed
Modal: Pay as you go
Billing
Bunny Sandbox: Active CPU time only
Modal: Per second

Limits

Max session
Bunny Sandbox: Not listed
Modal: 24 hours
Idle stop
Bunny Sandbox: Not listed
Modal: Not listed
Largest sandbox
Bunny Sandbox: Not listed
Modal: Not listed
Concurrent sandboxes
Bunny Sandbox: Not listed
Modal: Not listed

Platform

Isolation
Bunny Sandbox: gVisor
Modal: gVisor
GPU
Bunny Sandbox: Not listed
Modal:
Snapshots
Bunny Sandbox: Not listed
Modal:
Pause and resume
Bunny Sandbox: Not listed
Modal: Not listed

Developer

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

Trust

License
Bunny Sandbox: Not listed
Modal: Not listed
BYOC
Bunny Sandbox: Not listed
Modal: Not listed

Hourly cost

One sandbox running for one hour

Bunny Sandbox
Modal
1 vCPU · 2 GiB
Bunny Sandbox: $0.030
Modal: $0.119
2 vCPU · 4 GiB
Bunny Sandbox: $0.060
Modal: $0.238
4 vCPU · 8 GiB
Bunny Sandbox: $0.120
Modal: $0.476

Compute only, at list rates.

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Which one fits

Based on the fields above

Bunny Sandbox fits when

  • You want the lower list price: $0.060 against $0.238 an hour for 2 vCPU and 4 GiB.
  • Your code waits a lot: CPU is billed only while it is in use.

Modal fits when

  • You need GPUs.
  • You use the Claude Agent SDK.
  • You need snapshots.
  • You need a desktop in the sandbox.

More comparisons

See all comparisons

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