Cloudflare Sandbox vs xShellz Agent Shell

Cloudflare Sandbox costs $0.072 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. xShellz Agent Shell runs gVisor and has no session limit.

Updated

Cloudflare Sandbox

Isolation
Firecracker microVM
Free tier
None
Max session
Not listed

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.

Cloudflare Sandbox
xShellz Agent Shell
RAM, per GiB-hour
Cloudflare Sandbox: $0.009
xShellz Agent Shell: Included
Storage
Cloudflare Sandbox: $0.000252 per GiB-hour
xShellz Agent Shell: Free
Free tier
Cloudflare Sandbox: None
xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from
Cloudflare Sandbox: $5 / month
xShellz Agent Shell: $10 / month
Billing
Cloudflare Sandbox: Active CPU time only
xShellz Agent Shell: Bundled machine time
Largest sandbox
Cloudflare Sandbox: 4 vCPU · 12 GiB
xShellz Agent Shell: 4 vCPU · 4 GiB
Isolation
Cloudflare Sandbox: Firecracker microVM
xShellz Agent Shell: gVisor
SDKs
Cloudflare Sandbox: TypeScript
xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations
Cloudflare Sandbox: Claude Code, OpenAI Agents SDK
xShellz Agent Shell: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Cloudflare Sandbox: $0.072
xShellz Agent Shell: Not listed
RAM, per GiB-hour
Cloudflare Sandbox: $0.009
xShellz Agent Shell: Included
Storage
Cloudflare Sandbox: $0.000252 per GiB-hour
xShellz Agent Shell: Free
Free tier
Cloudflare Sandbox: None
xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from
Cloudflare Sandbox: $5 / month
xShellz Agent Shell: $10 / month
Billing
Cloudflare Sandbox: Active CPU time only
xShellz Agent Shell: Bundled machine time

Limits

Max session
Cloudflare Sandbox: Not listed
xShellz Agent Shell: No limit
Idle stop
Cloudflare Sandbox: Not listed
xShellz Agent Shell: Not listed
Largest sandbox
Cloudflare Sandbox: 4 vCPU · 12 GiB
xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes
Cloudflare Sandbox: Not listed
xShellz Agent Shell: Up to 5

Platform

Isolation
Cloudflare Sandbox: Firecracker microVM
xShellz Agent Shell: gVisor
GPU
Cloudflare Sandbox: Not listed
xShellz Agent Shell: Not listed
Snapshots
Cloudflare Sandbox:
xShellz Agent Shell: Not listed
Pause and resume
Cloudflare Sandbox: Not listed
xShellz Agent Shell:

Developer

SDKs
Cloudflare Sandbox: TypeScript
xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations
Cloudflare Sandbox: Claude Code, OpenAI Agents SDK
xShellz Agent Shell: MCP, Claude Code

Trust

License
Cloudflare Sandbox: Not listed
xShellz Agent Shell: Not listed
BYOC
Cloudflare Sandbox: Not listed
xShellz Agent Shell: Not listed

Hourly cost

One sandbox running for one hour

Cloudflare Sandbox
xShellz Agent Shell
1 vCPU · 2 GiB
Cloudflare Sandbox: $0.090
xShellz Agent Shell: Not listed
2 vCPU · 4 GiB
Cloudflare Sandbox: $0.180
xShellz Agent Shell: Not listed
4 vCPU · 8 GiB
Cloudflare Sandbox: $0.360
xShellz Agent Shell: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Cloudflare Sandbox fits when

  • You want each sandbox in its own microVM.
  • You use the OpenAI Agents SDK.
  • You need snapshots.
  • Your code waits a lot: CPU is billed only while it is in use.

xShellz Agent Shell fits when

  • You use MCP.
  • You want to start without paying.
  • You need pause and resume.
  • You need GDPR.

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