Modal vs OpenPond Sandboxes

Modal costs $0.070956 per vCPU-hour and OpenPond Sandboxes costs $0.072 per vCPU-hour. Modal runs gVisor, offers GPUs and limits a session to 24 hours. OpenPond Sandboxes runs Firecracker microVMs.

Updated

Modal

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

OpenPond Sandboxes

Isolation
Firecracker microVM
Free tier
Free plan with limited monthly usage, 1 sandbox at a time
Max session
Not listed

What is different

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

Modal
OpenPond Sandboxes
vCPU, per hour
Modal: $0.070956
OpenPond Sandboxes: $0.072
RAM, per GiB-hour
Modal: $0.024012
OpenPond Sandboxes: $0.0234
Free tier
Modal: $30 credit every month
OpenPond Sandboxes: Free plan with limited monthly usage, 1 sandbox at a time
Paid plan from
Modal: Pay as you go
OpenPond Sandboxes: $10 / month
Isolation
Modal: gVisor
OpenPond Sandboxes: Firecracker microVM
SDKs
Modal: Python, JavaScript / TypeScript, Go
OpenPond Sandboxes: TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Modal: $0.070956
OpenPond Sandboxes: $0.072
RAM, per GiB-hour
Modal: $0.024012
OpenPond Sandboxes: $0.0234
Storage
Modal: Not listed
OpenPond Sandboxes: $0.00012 per GiB-hour
Free tier
Modal: $30 credit every month
OpenPond Sandboxes: Free plan with limited monthly usage, 1 sandbox at a time
Paid plan from
Modal: Pay as you go
OpenPond Sandboxes: $10 / month
Billing
Modal: Per second
OpenPond Sandboxes: Per second

Limits

Max session
Modal: 24 hours
OpenPond Sandboxes: Not listed
Idle stop
Modal: Not listed
OpenPond Sandboxes: After 15 minutes
Largest sandbox
Modal: Not listed
OpenPond Sandboxes: Not listed
Concurrent sandboxes
Modal: Not listed
OpenPond Sandboxes: Up to 10

Platform

Isolation
Modal: gVisor
OpenPond Sandboxes: Firecracker microVM
GPU
Modal:
OpenPond Sandboxes: Not listed
Snapshots
Modal:
OpenPond Sandboxes:
Pause and resume
Modal: Not listed
OpenPond Sandboxes:

Developer

SDKs
Modal: Python, JavaScript / TypeScript, Go
OpenPond Sandboxes: TypeScript
Integrations
Modal: Claude Agent SDK, Claude Code, LangChain
OpenPond Sandboxes: Not listed

Trust

License
Modal: Not listed
OpenPond Sandboxes: Not listed
BYOC
Modal: Not listed
OpenPond Sandboxes: Guided AWS install

Hourly cost

One sandbox running for one hour

Modal
OpenPond Sandboxes
1 vCPU · 2 GiB
Modal: $0.119
OpenPond Sandboxes: $0.119
2 vCPU · 4 GiB
Modal: $0.238
OpenPond Sandboxes: $0.238
4 vCPU · 8 GiB
Modal: $0.476
OpenPond Sandboxes: $0.475

Compute only, at list rates.

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Which one fits

Based on the fields above

Modal fits when

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

OpenPond Sandboxes fits when

  • You want each sandbox in its own microVM.
  • You want the lower list price: $0.238 against $0.238 an hour for 2 vCPU and 4 GiB.
  • You need pause and resume.
  • You need the sandboxes in your own cloud account.

More comparisons

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