Northflank Sandboxes vs xShellz Agent Shell
Northflank Sandboxes costs $0.01667 per vCPU-hour. Northflank Sandboxes runs Cloud Hypervisor microVMs, offers GPUs and has no session limit. xShellz Agent Shell runs gVisor 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
xShellz Agent Shell
- Isolation
- gVisor
- Free tier
- Free plan, 1 box with 0.5 vCPU and 512 MB
- Max session
- No limit
What is different
8 fields differ. The rest are the same or not listed.
Northflank Sandboxes
xShellz Agent Shell
- RAM, per GiB-hour
- Northflank Sandboxes: $0.00833
- xShellz Agent Shell: Included
- Storage
- Northflank Sandboxes: Persistent disk $0.11657 per GiB per month, also when paused. Ephemeral storage is free.
- xShellz Agent Shell: Free
- Free tier
- Northflank Sandboxes: Free Sandbox plan, up to $20 of resources a month, no card
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Northflank Sandboxes: Pay as you go
- xShellz Agent Shell: $10 / month
- Billing
- Northflank Sandboxes: Per second
- xShellz Agent Shell: Bundled machine time
- Largest sandbox
- Northflank Sandboxes: 20 vCPU · 40 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Isolation
- Northflank Sandboxes: Cloud Hypervisor microVM
- xShellz Agent Shell: gVisor
- SDKs
- Northflank Sandboxes: Python, JavaScript
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Full comparison
18 fields, at each provider's list price
Northflank Sandboxesnorthflank
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Northflank Sandboxes: $0.01667
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Northflank Sandboxes: $0.00833
- xShellz Agent Shell: Included
- Storage
- Northflank Sandboxes: Persistent disk $0.11657 per GiB per month, also when paused. Ephemeral storage is free.
- xShellz Agent Shell: Free
- Free tier
- Northflank Sandboxes: Free Sandbox plan, up to $20 of resources a month, no card
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Northflank Sandboxes: Pay as you go
- xShellz Agent Shell: $10 / month
- Billing
- Northflank Sandboxes: Per second
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Northflank Sandboxes: No limit
- xShellz Agent Shell: No limit
- Idle stop
- Northflank Sandboxes: Not listed
- xShellz Agent Shell: Not listed
- Largest sandbox
- Northflank Sandboxes: 20 vCPU · 40 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Northflank Sandboxes: Not listed
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Northflank Sandboxes: Cloud Hypervisor microVM
- xShellz Agent Shell: gVisor
- GPU
- Northflank Sandboxes:
- xShellz Agent Shell: Not listed
- Snapshots
- Northflank Sandboxes:
- xShellz Agent Shell: Not listed
- Pause and resume
- Northflank Sandboxes:
- xShellz Agent Shell:
Developer
- SDKs
- Northflank Sandboxes: Python, JavaScript
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Northflank Sandboxes: Not listed
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Northflank Sandboxes: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Northflank Sandboxes: Runs in your own cloud or VPC
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Northflank Sandboxes
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Northflank Sandboxes: $0.033
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Northflank Sandboxes: $0.067
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Northflank Sandboxes: $0.133
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Northflank Sandboxes fits when
- You need GPUs.
- You want to pay only for usage, with no plan fee.
- You want each sandbox in its own microVM.
- You need snapshots.
xShellz Agent Shell fits when
- You use MCP or Claude Code.
- You need GDPR.
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