Sandbox0 vs xShellz Agent Shell

Sandbox0 bills memory only, at $0.015 per GiB-hour. Sandbox0 runs gVisor and has no session limit. xShellz Agent Shell runs gVisor and has no session limit.

Updated Oct 23, 2026

Sandbox0

Long-running agent sandboxes with durable storage.

Isolation: gVisor
Free tier: $5 credit, one time
Max session: No limit

Visit site Sandbox0 profile

xShellz Agent Shell

Always-on Linux boxes for AI agents, isolated with gVisor.

Isolation: gVisor
Free tier: Free plan, 1 box with 0.5 vCPU and 512 MB
Max session: No limit

Visit site xShellz Agent Shell profile

What is different

8 fields differ. The rest are the same or not listed.

Field

Sandbox0

xShellz Agent Shell

RAM, per GiB-hour: Sandbox0: $0.015; xShellz Agent Shell: Included
Storage: Sandbox0: $0.02 per GiB-month for retained RootFS changes and memory checkpoints. Shared base images are free; xShellz Agent Shell: Free
Free tier: Sandbox0: $5 credit, one time; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Sandbox0: Pay as you go; xShellz Agent Shell: $10 / month
Billing: Sandbox0: Memory only; xShellz Agent Shell: Bundled machine time
Concurrent sandboxes: Sandbox0: Up to 20; xShellz Agent Shell: Up to 5
SDKs: Sandbox0: Go, Python, JavaScript / TypeScript; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations: Sandbox0: LangChain, OpenAI Agents SDK; xShellz Agent Shell: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Sandbox0sandbox0.ai/pricingsandbox0.ai

xShellz Agent Shellxshellz.com/pricingxshellz.com

Pricing

vCPU, per hour: Sandbox0: Included; xShellz Agent Shell: Not listed
RAM, per GiB-hour: Sandbox0: $0.015; xShellz Agent Shell: Included
Storage: Sandbox0: $0.02 per GiB-month for retained RootFS changes and memory checkpoints. Shared base images are free; xShellz Agent Shell: Free
Free tier: Sandbox0: $5 credit, one time; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Sandbox0: Pay as you go; xShellz Agent Shell: $10 / month
Billing: Sandbox0: Memory only; xShellz Agent Shell: Bundled machine time

Limits

Max session: Sandbox0: No limit; xShellz Agent Shell: No limit
Idle stop: Sandbox0: Not listed; xShellz Agent Shell: Not listed
Largest sandbox: Sandbox0: Not listed; xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes: Sandbox0: Up to 20; xShellz Agent Shell: Up to 5

Platform

Isolation: Sandbox0: gVisor; xShellz Agent Shell: gVisor
GPU: Sandbox0: Not listed; xShellz Agent Shell: Not listed
Snapshots: Sandbox0:; xShellz Agent Shell: Not listed
Pause and resume: Sandbox0:; xShellz Agent Shell:

Developer

SDKs: Sandbox0: Go, Python, JavaScript / TypeScript; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations: Sandbox0: LangChain, OpenAI Agents SDK; xShellz Agent Shell: MCP, Claude Code

Trust

License: Sandbox0: Not listed; xShellz Agent Shell: Not listed
BYOC: Sandbox0: No; xShellz Agent Shell: Not listed

Hourly cost

One sandbox running for one hour

Size

Sandbox0

xShellz Agent Shell

1 vCPU · 2 GiB: Sandbox0: $0.030; xShellz Agent Shell: Not listed
2 vCPU · 4 GiB: Sandbox0: $0.060; xShellz Agent Shell: Not listed
4 vCPU · 8 GiB: Sandbox0: $0.120; xShellz Agent Shell: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Sandbox0 fits when

You want to pay only for usage, with no plan fee.
You use LangChain or the OpenAI Agents SDK.
You need snapshots.
You want one rate for memory, with CPU included.

xShellz Agent Shell fits when

You use MCP or Claude Code.
You need GDPR.

More comparisons

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Sandbox0

xShellz Agent Shell

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Sandbox0 fits when

xShellz Agent Shell fits when

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