Vercel Sandbox vs xShellz Agent Shell
Vercel Sandbox costs $0.128 per vCPU-hour. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours. xShellz Agent Shell runs gVisor and has no session limit.
Updated
Vercel Sandbox
- Isolation
- Firecracker microVM
- Free tier
- 5 CPU-hours every month
- Max session
- 24 hours
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
11 fields differ. The rest are the same or not listed.
Vercel Sandbox
xShellz Agent Shell
- RAM, per GiB-hour
- Vercel Sandbox: $0.0212
- xShellz Agent Shell: Included
- Storage
- Vercel Sandbox: Snapshots $0.08 per GB-month. Drives $0.05 per GB-month in iad1, plus reads and writes. Hobby includes 15 GB of each.
- xShellz Agent Shell: Free
- Free tier
- Vercel Sandbox: 5 CPU-hours every month
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Vercel Sandbox: $20 / month
- xShellz Agent Shell: $10 / month
- Billing
- Vercel Sandbox: Active CPU time only
- xShellz Agent Shell: Bundled machine time
- Max session
- Vercel Sandbox: 24 hours
- xShellz Agent Shell: No limit
- Largest sandbox
- Vercel Sandbox: 8 vCPU · 16 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Vercel Sandbox: Up to 10,000
- xShellz Agent Shell: Up to 5
- Isolation
- Vercel Sandbox: Firecracker microVM
- xShellz Agent Shell: gVisor
- SDKs
- Vercel Sandbox: Python, JavaScript / TypeScript
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code, MCP
- xShellz Agent Shell: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Vercel Sandboxvercel
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Vercel Sandbox: $0.128
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Vercel Sandbox: $0.0212
- xShellz Agent Shell: Included
- Storage
- Vercel Sandbox: Snapshots $0.08 per GB-month. Drives $0.05 per GB-month in iad1, plus reads and writes. Hobby includes 15 GB of each.
- xShellz Agent Shell: Free
- Free tier
- Vercel Sandbox: 5 CPU-hours every month
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Vercel Sandbox: $20 / month
- xShellz Agent Shell: $10 / month
- Billing
- Vercel Sandbox: Active CPU time only
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Vercel Sandbox: 24 hours
- xShellz Agent Shell: No limit
- Idle stop
- Vercel Sandbox: Not listed
- xShellz Agent Shell: Not listed
- Largest sandbox
- Vercel Sandbox: 8 vCPU · 16 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Vercel Sandbox: Up to 10,000
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Vercel Sandbox: Firecracker microVM
- xShellz Agent Shell: gVisor
- GPU
- Vercel Sandbox: Not listed
- xShellz Agent Shell: Not listed
- Snapshots
- Vercel Sandbox:
- xShellz Agent Shell: Not listed
- Pause and resume
- Vercel Sandbox:
- xShellz Agent Shell:
Developer
- SDKs
- Vercel Sandbox: Python, JavaScript / TypeScript
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code, MCP
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Vercel Sandbox: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Vercel Sandbox: Not listed
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Vercel Sandbox
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Vercel Sandbox: $0.170
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Vercel Sandbox: $0.341
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Vercel Sandbox: $0.682
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Vercel Sandbox fits when
- You want each sandbox in its own microVM.
- You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or the Vercel AI SDK.
- You need snapshots.
- Your code waits a lot: CPU is billed only while it is in use.
xShellz Agent Shell fits when
- A session must run longer than 24 hours.
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