Northflank Sandboxes vs Shellbox
Northflank Sandboxes costs $0.01667 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. Northflank Sandboxes runs Cloud Hypervisor microVMs, offers GPUs and has no session limit. Shellbox runs Firecracker microVMs and has no session limit.
Updated
Northflank Sandboxes
- Isolation
- Cloud Hypervisor microVM
- Free tier
- Free Sandbox plan, up to $20 of resources a month, no card
- Max session
- No limit
Shellbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- No limit
What is different
6 fields differ. The rest are the same or not listed.
Northflank Sandboxes
Shellbox
- vCPU, per hour
- Northflank Sandboxes: $0.01667
- Shellbox: $0.01
- RAM, per GiB-hour
- Northflank Sandboxes: $0.00833
- Shellbox: Included
- Storage
- Northflank Sandboxes: Persistent disk $0.11657 per GiB per month, also when paused. Ephemeral storage is free.
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Billing
- Northflank Sandboxes: Per second
- Shellbox: Bundled machine time
- Largest sandbox
- Northflank Sandboxes: 20 vCPU · 40 GiB
- Shellbox: 16 vCPU · 32 GiB
- Isolation
- Northflank Sandboxes: Cloud Hypervisor microVM
- Shellbox: Firecracker microVM
Full comparison
18 fields, at each provider's list price
Northflank Sandboxesnorthflank
Shellboxshellbox
Pricing
- vCPU, per hour
- Northflank Sandboxes: $0.01667
- Shellbox: $0.01
- RAM, per GiB-hour
- Northflank Sandboxes: $0.00833
- Shellbox: Included
- Storage
- Northflank Sandboxes: Persistent disk $0.11657 per GiB per month, also when paused. Ephemeral storage is free.
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Free tier
- Northflank Sandboxes: Free Sandbox plan, up to $20 of resources a month, no card
- Shellbox: Not listed
- Paid plan from
- Northflank Sandboxes: Pay as you go
- Shellbox: Pay as you go
- Billing
- Northflank Sandboxes: Per second
- Shellbox: Bundled machine time
Limits
- Max session
- Northflank Sandboxes: No limit
- Shellbox: No limit
- Idle stop
- Northflank Sandboxes: Not listed
- Shellbox: After 2 minutes
- Largest sandbox
- Northflank Sandboxes: 20 vCPU · 40 GiB
- Shellbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Northflank Sandboxes: Not listed
- Shellbox: Up to 16
Platform
- Isolation
- Northflank Sandboxes: Cloud Hypervisor microVM
- Shellbox: Firecracker microVM
- GPU
- Northflank Sandboxes:
- Shellbox: Not listed
- Snapshots
- Northflank Sandboxes:
- Shellbox:
- Pause and resume
- Northflank Sandboxes:
- Shellbox:
Developer
- SDKs
- Northflank Sandboxes: Python, JavaScript
- Shellbox: Not listed
- Integrations
- Northflank Sandboxes: Not listed
- Shellbox: Claude Code
Trust
- License
- Northflank Sandboxes: Not listed
- Shellbox: Not listed
- BYOC
- Northflank Sandboxes: Runs in your own cloud or VPC
- Shellbox: Not listed
Hourly cost
One sandbox running for one hour
Northflank Sandboxes
Shellbox
- 1 vCPU · 2 GiB
- Northflank Sandboxes: $0.033
- Shellbox: $0.010
- 2 vCPU · 4 GiB
- Northflank Sandboxes: $0.067
- Shellbox: $0.020
- 4 vCPU · 8 GiB
- Northflank Sandboxes: $0.133
- Shellbox: $0.040
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Northflank Sandboxes fits when
- You need GPUs.
- You need the sandboxes in your own cloud account.
- You need a sandbox larger than 16 vCPU · 32 GiB.
- You need SOC 2 Type II and HIPAA.
Shellbox fits when
- You use Claude Code.
- You want the lower list price: $0.020 against $0.067 an hour for 2 vCPU and 4 GiB.
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