Unikraft Cloud vs xShellz Agent Shell

Unikraft Cloud runs Firecracker microVMs and offers GPUs. xShellz Agent Shell runs gVisor and has no session limit.

Updated Oct 23, 2026

Unikraft Cloud

MicroVM sandboxes that start in under 10 ms.

Isolation: Firecracker microVM
Free tier: Hobby plan, free forever
Max session: Not listed

Visit site Unikraft Cloud 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

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

Field

Unikraft Cloud

xShellz Agent Shell

Free tier: Unikraft Cloud: Hobby plan, free forever; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Unikraft Cloud: $39 / month; xShellz Agent Shell: $10 / month
Concurrent sandboxes: Unikraft Cloud: Up to 24; xShellz Agent Shell: Up to 5
Isolation: Unikraft Cloud: Firecracker microVM; xShellz Agent Shell: gVisor
SDKs: Unikraft Cloud: Python, JavaScript / TypeScript, Go; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust

Full comparison

18 fields, at each provider's list price

Unikraft Cloudunikraft.com/pricingunikraft.com

xShellz Agent Shellxshellz.com/pricingxshellz.com

Pricing

vCPU, per hour: Unikraft Cloud: Not listed; xShellz Agent Shell: Not listed
RAM, per GiB-hour: Unikraft Cloud: Not listed; xShellz Agent Shell: Included
Storage: Unikraft Cloud: Not listed; xShellz Agent Shell: Free
Free tier: Unikraft Cloud: Hobby plan, free forever; xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
Paid plan from: Unikraft Cloud: $39 / month; xShellz Agent Shell: $10 / month
Billing: Unikraft Cloud: Not listed; xShellz Agent Shell: Bundled machine time

Limits

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

Platform

Isolation: Unikraft Cloud: Firecracker microVM; xShellz Agent Shell: gVisor
GPU: Unikraft Cloud:; xShellz Agent Shell: Not listed
Snapshots: Unikraft Cloud:; xShellz Agent Shell: Not listed
Pause and resume: Unikraft Cloud:; xShellz Agent Shell:

Developer

SDKs: Unikraft Cloud: Python, JavaScript / TypeScript, Go; xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
Integrations: Unikraft Cloud: Not listed; xShellz Agent Shell: MCP, Claude Code

Trust

License: Unikraft Cloud: Not listed; xShellz Agent Shell: Not listed
BYOC: Unikraft Cloud: Enterprise plan; xShellz Agent Shell: Not listed

Hourly cost

One sandbox running for one hour

Size

Unikraft Cloud

xShellz Agent Shell

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

Compute only, at list rates.

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Which one fits

Based on the fields above

Unikraft Cloud fits when

You need GPUs.
You want each sandbox in its own microVM.
You need snapshots.
You need a desktop in the sandbox.

xShellz Agent Shell fits when

You use MCP or Claude Code.

More comparisons

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Unikraft Cloud

xShellz Agent Shell

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Unikraft Cloud fits when

xShellz Agent Shell fits when

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