Shellbox vs Tenki Sandbox
Shellbox costs $0.01 per vCPU-hour and Tenki Sandbox costs $0.0504 per vCPU-hour. Shellbox runs Firecracker microVMs and has no session limit. Tenki Sandbox runs full VMs.
Updated
Shellbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- No limit
Tenki Sandbox
- Isolation
- Full VM
- Free tier
- $100 credit, one time ($50 at sign-up, $50 when you add a payment method)
- Max session
- Not listed
What is different
9 fields differ. The rest are the same or not listed.
Shellbox
Tenki Sandbox
- vCPU, per hour
- Shellbox: $0.01
- Tenki Sandbox: $0.0504
- RAM, per GiB-hour
- Shellbox: Included
- Tenki Sandbox: $0.0162
- Storage
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
- Paid plan from
- Shellbox: Pay as you go
- Tenki Sandbox: $200 / month
- Billing
- Shellbox: Bundled machine time
- Tenki Sandbox: Per second
- Largest sandbox
- Shellbox: 16 vCPU · 32 GiB
- Tenki Sandbox: 16 vCPU · 64 GiB
- Concurrent sandboxes
- Shellbox: Up to 16
- Tenki Sandbox: Up to 100
- Isolation
- Shellbox: Firecracker microVM
- Tenki Sandbox: Full VM
- Integrations
- Shellbox: Claude Code
- Tenki Sandbox: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Shellboxshellbox
Tenki Sandboxtenki
Pricing
- vCPU, per hour
- Shellbox: $0.01
- Tenki Sandbox: $0.0504
- RAM, per GiB-hour
- Shellbox: Included
- Tenki Sandbox: $0.0162
- Storage
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
- Free tier
- Shellbox: Not listed
- Tenki Sandbox: $100 credit, one time ($50 at sign-up, $50 when you add a payment method)
- Paid plan from
- Shellbox: Pay as you go
- Tenki Sandbox: $200 / month
- Billing
- Shellbox: Bundled machine time
- Tenki Sandbox: Per second
Limits
- Max session
- Shellbox: No limit
- Tenki Sandbox: Not listed
- Idle stop
- Shellbox: After 2 minutes
- Tenki Sandbox: Not listed
- Largest sandbox
- Shellbox: 16 vCPU · 32 GiB
- Tenki Sandbox: 16 vCPU · 64 GiB
- Concurrent sandboxes
- Shellbox: Up to 16
- Tenki Sandbox: Up to 100
Platform
- Isolation
- Shellbox: Firecracker microVM
- Tenki Sandbox: Full VM
- GPU
- Shellbox: Not listed
- Tenki Sandbox: Not listed
- Snapshots
- Shellbox:
- Tenki Sandbox:
- Pause and resume
- Shellbox:
- Tenki Sandbox:
Developer
- SDKs
- Shellbox: Not listed
- Tenki Sandbox: Python, TypeScript, Go
- Integrations
- Shellbox: Claude Code
- Tenki Sandbox: MCP, Claude Code
Trust
- License
- Shellbox: Not listed
- Tenki Sandbox: Not listed
- BYOC
- Shellbox: Not listed
- Tenki Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Shellbox
Tenki Sandbox
- 1 vCPU · 2 GiB
- Shellbox: $0.010
- Tenki Sandbox: $0.083
- 2 vCPU · 4 GiB
- Shellbox: $0.020
- Tenki Sandbox: $0.166
- 4 vCPU · 8 GiB
- Shellbox: $0.040
- Tenki Sandbox: $0.331
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Shellbox fits when
- You want to pay only for usage, with no plan fee.
- You want each sandbox in its own microVM.
- You want the lower list price: $0.020 against $0.166 an hour for 2 vCPU and 4 GiB.
Tenki Sandbox fits when
- You want each sandbox to be a full VM.
- You use MCP.
- You need a desktop in the sandbox.
- You need a sandbox larger than 16 vCPU · 32 GiB.
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