Unikraft Cloud vs Zipbox

Zipbox costs $0.00685 per vCPU-hour. Unikraft Cloud runs Firecracker microVMs and offers GPUs. Zipbox runs Firecracker microVMs 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

Zipbox

Long-lived Firecracker microVMs for AI agents, each with its own desktop.

Isolation: Firecracker microVM
Free tier: $25 credit after a one-time $5 top-up
Max session: No limit

Visit site Zipbox profile

What is different

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

Field

Unikraft Cloud

Zipbox

Free tier: Unikraft Cloud: Hobby plan, free forever; Zipbox: $25 credit after a one-time $5 top-up
Paid plan from: Unikraft Cloud: $39 / month; Zipbox: Pay as you go
Snapshots: Unikraft Cloud:; Zipbox: No
Pause and resume: Unikraft Cloud:; Zipbox: No
SDKs: Unikraft Cloud: Python, JavaScript / TypeScript, Go; Zipbox: TypeScript, Python, Go, Rust

Full comparison

18 fields, at each provider's list price

Unikraft Cloudunikraft.com/pricingunikraft.com

Zipboxzipbox.ai/pricing

Pricing

vCPU, per hour: Unikraft Cloud: Not listed; Zipbox: $0.00685
RAM, per GiB-hour: Unikraft Cloud: Not listed; Zipbox: Included
Storage: Unikraft Cloud: Not listed; Zipbox: Free
Free tier: Unikraft Cloud: Hobby plan, free forever; Zipbox: $25 credit after a one-time $5 top-up
Paid plan from: Unikraft Cloud: $39 / month; Zipbox: Pay as you go
Billing: Unikraft Cloud: Not listed; Zipbox: Bundled machine time

Limits

Max session: Unikraft Cloud: Not listed; Zipbox: No limit
Idle stop: Unikraft Cloud: Not listed; Zipbox: Not listed
Largest sandbox: Unikraft Cloud: Not listed; Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes: Unikraft Cloud: Up to 24; Zipbox: Not listed

Platform

Isolation: Unikraft Cloud: Firecracker microVM; Zipbox: Firecracker microVM
GPU: Unikraft Cloud:; Zipbox: Not listed
Snapshots: Unikraft Cloud:; Zipbox: No
Pause and resume: Unikraft Cloud:; Zipbox: No

Developer

SDKs: Unikraft Cloud: Python, JavaScript / TypeScript, Go; Zipbox: TypeScript, Python, Go, Rust
Integrations: Unikraft Cloud: Not listed; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License: Unikraft Cloud: Not listed; Zipbox: Not listed
BYOC: Unikraft Cloud: Enterprise plan; Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Unikraft Cloud

Zipbox

1 vCPU · 2 GiB: Unikraft Cloud: Not listed; Zipbox: $0.007
2 vCPU · 4 GiB: Unikraft Cloud: Not listed; Zipbox: $0.014
4 vCPU · 8 GiB: Unikraft Cloud: Not listed; Zipbox: $0.027

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 need snapshots.
You need pause and resume.
You need the sandboxes in your own cloud account.

Zipbox fits when

You want to pay only for usage, with no plan fee.
You use MCP, Claude Code, the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.

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Unikraft Cloud

Zipbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Unikraft Cloud fits when

Zipbox fits when

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