OpenPond Sandboxes vs Shellbox

OpenPond Sandboxes costs $0.072 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. OpenPond Sandboxes runs Firecracker microVMs. Shellbox runs Firecracker microVMs and has no session limit.

Updated

OpenPond Sandboxes

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

Shellbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
No limit

What is different

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

OpenPond Sandboxes
Shellbox
vCPU, per hour
OpenPond Sandboxes: $0.072
Shellbox: $0.01
RAM, per GiB-hour
OpenPond Sandboxes: $0.0234
Shellbox: Included
Storage
OpenPond Sandboxes: $0.00012 per GiB-hour
Shellbox: A stopped box costs $0.50 per x1 slot per month
Paid plan from
OpenPond Sandboxes: $10 / month
Shellbox: Pay as you go
Billing
OpenPond Sandboxes: Per second
Shellbox: Bundled machine time
Idle stop
OpenPond Sandboxes: After 15 minutes
Shellbox: After 2 minutes
Concurrent sandboxes
OpenPond Sandboxes: Up to 10
Shellbox: Up to 16

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
OpenPond Sandboxes: $0.072
Shellbox: $0.01
RAM, per GiB-hour
OpenPond Sandboxes: $0.0234
Shellbox: Included
Storage
OpenPond Sandboxes: $0.00012 per GiB-hour
Shellbox: A stopped box costs $0.50 per x1 slot per month
Free tier
OpenPond Sandboxes: Free plan with limited monthly usage, 1 sandbox at a time
Shellbox: Not listed
Paid plan from
OpenPond Sandboxes: $10 / month
Shellbox: Pay as you go
Billing
OpenPond Sandboxes: Per second
Shellbox: Bundled machine time

Limits

Max session
OpenPond Sandboxes: Not listed
Shellbox: No limit
Idle stop
OpenPond Sandboxes: After 15 minutes
Shellbox: After 2 minutes
Largest sandbox
OpenPond Sandboxes: Not listed
Shellbox: 16 vCPU · 32 GiB
Concurrent sandboxes
OpenPond Sandboxes: Up to 10
Shellbox: Up to 16

Platform

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

Developer

SDKs
OpenPond Sandboxes: TypeScript
Shellbox: Not listed
Integrations
OpenPond Sandboxes: Not listed
Shellbox: Claude Code

Trust

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

Hourly cost

One sandbox running for one hour

OpenPond Sandboxes
Shellbox
1 vCPU · 2 GiB
OpenPond Sandboxes: $0.119
Shellbox: $0.010
2 vCPU · 4 GiB
OpenPond Sandboxes: $0.238
Shellbox: $0.020
4 vCPU · 8 GiB
OpenPond Sandboxes: $0.475
Shellbox: $0.040

Compute only, at list rates.

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Which one fits

Based on the fields above

OpenPond Sandboxes fits when

  • You need the sandboxes in your own cloud account.

Shellbox fits when

  • You want to pay only for usage, with no plan fee.
  • You use Claude Code.
  • You want the lower list price: $0.020 against $0.238 an hour for 2 vCPU and 4 GiB.

More comparisons

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