Buddy Sandboxes vs Unikraft Cloud

Buddy Sandboxes costs $0.0144 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. Unikraft Cloud runs Firecracker microVMs and offers GPUs.

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

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

What is different

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

Field

Buddy Sandboxes

Unikraft Cloud

Free tier: Buddy Sandboxes: $1 of usage credit every month; Unikraft Cloud: Hobby plan, free forever
Paid plan from: Buddy Sandboxes: $29 / month; Unikraft Cloud: $39 / month
Isolation: Buddy Sandboxes: Full VM; Unikraft Cloud: Firecracker microVM
SDKs: Buddy Sandboxes: TypeScript; Unikraft Cloud: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

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

Unikraft Cloudunikraft.com/pricingunikraft.com

Pricing

vCPU, per hour: Buddy Sandboxes: $0.0144; Unikraft Cloud: Not listed
RAM, per GiB-hour: Buddy Sandboxes: $0.0144; Unikraft Cloud: Not listed
Storage: Buddy Sandboxes: $0.00011 per GiB-hour; Unikraft Cloud: Not listed
Free tier: Buddy Sandboxes: $1 of usage credit every month; Unikraft Cloud: Hobby plan, free forever
Paid plan from: Buddy Sandboxes: $29 / month; Unikraft Cloud: $39 / month
Billing: Buddy Sandboxes: Per second; Unikraft Cloud: Not listed

Limits

Max session: Buddy Sandboxes: No limit; Unikraft Cloud: Not listed
Idle stop: Buddy Sandboxes: Not listed; Unikraft Cloud: Not listed
Largest sandbox: Buddy Sandboxes: 12 vCPU · 24 GiB; Unikraft Cloud: Not listed
Concurrent sandboxes: Buddy Sandboxes: Not listed; Unikraft Cloud: Up to 24

Platform

Isolation: Buddy Sandboxes: Full VM; Unikraft Cloud: Firecracker microVM
GPU: Buddy Sandboxes: Not listed; Unikraft Cloud:
Snapshots: Buddy Sandboxes:; Unikraft Cloud:
Pause and resume: Buddy Sandboxes:; Unikraft Cloud:

Developer

SDKs: Buddy Sandboxes: TypeScript; Unikraft Cloud: Python, JavaScript / TypeScript, Go
Integrations: Buddy Sandboxes: MCP, Claude Code; Unikraft Cloud: Not listed

Trust

License: Buddy Sandboxes: Not listed; Unikraft Cloud: Not listed
BYOC: Buddy Sandboxes: Not listed; Unikraft Cloud: Enterprise plan

Hourly cost

One sandbox running for one hour

Size

Buddy Sandboxes

Unikraft Cloud

1 vCPU · 2 GiB: Buddy Sandboxes: $0.043; Unikraft Cloud: Not listed
2 vCPU · 4 GiB: Buddy Sandboxes: $0.086; Unikraft Cloud: Not listed
4 vCPU · 8 GiB: Buddy Sandboxes: $0.173; Unikraft Cloud: 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 use MCP or Claude Code.

Unikraft Cloud fits when

You need GPUs.
You want each sandbox in its own microVM.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.

More comparisons

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Buddy Sandboxes

Unikraft Cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Buddy Sandboxes fits when

Unikraft Cloud fits when

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