Watasu vs xShellz Agent Shell

Watasu limits a session to 24 hours. xShellz Agent Shell runs gVisor and has no session limit.

Updated Oct 23, 2026

Watasu

Isolated Linux sandboxes for AI agents, hosted in the EU.

Isolation: Not listed
Free tier: Free Basic plan
Max session: 24 hours

Visit site Watasu 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

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

Field

Watasu

xShellz Agent Shell

Storage: Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.; xShellz Agent Shell: Free
Free tier: Watasu: Free Basic plan; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Billing: Watasu: Per second; xShellz Agent Shell: Bundled machine time
Max session: Watasu: 24 hours; xShellz Agent Shell: No limit
Largest sandbox: Watasu: 8 vCPU · 8 GiB; xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes: Watasu: Up to 100; xShellz Agent Shell: Up to 5
SDKs: Watasu: Python, TypeScript, Rust; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust

Full comparison

18 fields, at each provider's list price

Watasuwatasu.io/pricing

xShellz Agent Shellxshellz.com/pricingxshellz.com

Pricing

vCPU, per hour: Watasu: Not listed; xShellz Agent Shell: Not listed
RAM, per GiB-hour: Watasu: Not listed; xShellz Agent Shell: Included
Storage: Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.; xShellz Agent Shell: Free
Free tier: Watasu: Free Basic plan; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Watasu: Not listed; xShellz Agent Shell: $10 / month
Billing: Watasu: Per second; xShellz Agent Shell: Bundled machine time

Limits

Max session: Watasu: 24 hours; xShellz Agent Shell: No limit
Idle stop: Watasu: Not listed; xShellz Agent Shell: Not listed
Largest sandbox: Watasu: 8 vCPU · 8 GiB; xShellz Agent Shell: 4 vCPU · 4 GiB
Concurrent sandboxes: Watasu: Up to 100; xShellz Agent Shell: Up to 5

Platform

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

Developer

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

Trust

License: Watasu: Not listed; xShellz Agent Shell: Not listed
BYOC: Watasu: Not listed; xShellz Agent Shell: Not listed

Hourly cost

One sandbox running for one hour

Size

Watasu

xShellz Agent Shell

1 vCPU · 2 GiB: Watasu: Not listed; xShellz Agent Shell: Not listed
2 vCPU · 4 GiB: Watasu: Not listed; xShellz Agent Shell: Not listed
4 vCPU · 8 GiB: Watasu: Not listed; xShellz Agent Shell: Not listed

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Watasu fits when

You need snapshots.
You need a sandbox larger than 4 vCPU · 4 GiB.

xShellz Agent Shell fits when

A session must run longer than 24 hours.
You need GDPR.

More comparisons

See all comparisons

Watasu

xShellz Agent Shell

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Watasu fits when

xShellz Agent Shell fits when

More comparisons

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