Buddy Sandboxes vs xShellz Agent Shell

Buddy Sandboxes costs $0.0144 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. xShellz Agent Shell runs gVisor and has no session limit.

Updated Oct 23, 2026

Buddy Sandboxes

Persistent Linux VMs that AI agents create and control through an API, SDK, CLI or MCP.

Isolation: Full VM
Free tier: $1 of usage credit every month
Max session: No limit

Visit site Buddy Sandboxes 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

Buddy Sandboxes

xShellz Agent Shell

RAM, per GiB-hour: Buddy Sandboxes: $0.0144; xShellz Agent Shell: Included
Storage: Buddy Sandboxes: $0.00011 per GiB-hour; xShellz Agent Shell: Free
Free tier: Buddy Sandboxes: $1 of usage credit every month; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Buddy Sandboxes: $29 / month; xShellz Agent Shell: $10 / month
Billing: Buddy Sandboxes: Per second; xShellz Agent Shell: Bundled machine time
Largest sandbox: Buddy Sandboxes: 12 vCPU · 24 GiB; xShellz Agent Shell: 4 vCPU · 4 GiB
Isolation: Buddy Sandboxes: Full VM; xShellz Agent Shell: gVisor
SDKs: Buddy Sandboxes: TypeScript; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust

Full comparison

18 fields, at each provider's list price

Buddy Sandboxesbuddy.works/docs/basics/billing-and-usage/gbminbuddy.works

xShellz Agent Shellxshellz.com/pricingxshellz.com

Pricing

vCPU, per hour: Buddy Sandboxes: $0.0144; xShellz Agent Shell: Not listed
RAM, per GiB-hour: Buddy Sandboxes: $0.0144; xShellz Agent Shell: Included
Storage: Buddy Sandboxes: $0.00011 per GiB-hour; xShellz Agent Shell: Free
Free tier: Buddy Sandboxes: $1 of usage credit every month; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Buddy Sandboxes: $29 / month; xShellz Agent Shell: $10 / month
Billing: Buddy Sandboxes: Per second; xShellz Agent Shell: Bundled machine time

Limits

Max session: Buddy Sandboxes: No limit; xShellz Agent Shell: No limit
Idle stop: Buddy Sandboxes: Not listed; xShellz Agent Shell: Not listed
Largest sandbox: Buddy Sandboxes: 12 vCPU · 24 GiB; xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes: Buddy Sandboxes: Not listed; xShellz Agent Shell: Up to 5

Platform

Isolation: Buddy Sandboxes: Full VM; xShellz Agent Shell: gVisor
GPU: Buddy Sandboxes: Not listed; xShellz Agent Shell: Not listed
Snapshots: Buddy Sandboxes:; xShellz Agent Shell: Not listed
Pause and resume: Buddy Sandboxes:; xShellz Agent Shell:

Developer

SDKs: Buddy Sandboxes: TypeScript; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations: Buddy Sandboxes: MCP, Claude Code; xShellz Agent Shell: MCP, Claude Code

Trust

License: Buddy Sandboxes: Not listed; xShellz Agent Shell: Not listed
BYOC: Buddy Sandboxes: Not listed; xShellz Agent Shell: Not listed

Hourly cost

One sandbox running for one hour

Size

Buddy Sandboxes

xShellz Agent Shell

1 vCPU · 2 GiB: Buddy Sandboxes: $0.043; xShellz Agent Shell: Not listed
2 vCPU · 4 GiB: Buddy Sandboxes: $0.086; xShellz Agent Shell: Not listed
4 vCPU · 8 GiB: Buddy Sandboxes: $0.173; xShellz Agent Shell: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Buddy Sandboxes fits when

You want each sandbox to be a full VM.
You need snapshots.
You need a sandbox larger than 4 vCPU · 4 GiB.
You need SOC 2 Type II.

More comparisons

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Buddy Sandboxes

xShellz Agent Shell

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Buddy Sandboxes fits when

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