Deno Sandbox vs xShellz Agent Shell
Deno Sandbox costs $0.10 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. xShellz Agent Shell runs gVisor and has no session limit.
Updated
Deno Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- 30 minutes
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
9 fields differ. The rest are the same or not listed.
Deno Sandbox
xShellz Agent Shell
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- xShellz Agent Shell: Included
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- xShellz Agent Shell: Free
- Paid plan from
- Deno Sandbox: $20 / month
- xShellz Agent Shell: $10 / month
- Billing
- Deno Sandbox: Active CPU time only
- xShellz Agent Shell: Bundled machine time
- Max session
- Deno Sandbox: 30 minutes
- xShellz Agent Shell: No limit
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- xShellz Agent Shell: Up to 5
- Isolation
- Deno Sandbox: Firecracker microVM
- xShellz Agent Shell: gVisor
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Full comparison
18 fields, at each provider's list price
Deno Sandboxdeno
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Deno Sandbox: $0.10
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- xShellz Agent Shell: Included
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- xShellz Agent Shell: Free
- Free tier
- Deno Sandbox: Not listed
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Deno Sandbox: $20 / month
- xShellz Agent Shell: $10 / month
- Billing
- Deno Sandbox: Active CPU time only
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Deno Sandbox: 30 minutes
- xShellz Agent Shell: No limit
- Idle stop
- Deno Sandbox: Not listed
- xShellz Agent Shell: Not listed
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Deno Sandbox: Firecracker microVM
- xShellz Agent Shell: gVisor
- GPU
- Deno Sandbox: Not listed
- xShellz Agent Shell: Not listed
- Snapshots
- Deno Sandbox:
- xShellz Agent Shell: Not listed
- Pause and resume
- Deno Sandbox: Not listed
- xShellz Agent Shell:
Developer
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Deno Sandbox: Not listed
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Deno Sandbox: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Deno Sandbox: Not listed
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Deno Sandbox
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Deno Sandbox: $0.150
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Deno Sandbox: $0.300
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Deno Sandbox: $0.600
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Deno Sandbox fits when
- You want each sandbox in its own microVM.
- You need snapshots.
- Your code waits a lot: CPU is billed only while it is in use.
- You need SOC 2, ISO 27001 and HIPAA.
xShellz Agent Shell fits when
- A session must run longer than 30 minutes.
- You use MCP or Claude Code.
- You need pause and resume.
- You need a sandbox larger than 2 vCPU · 4 GiB.
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