Watasu vs Zipbox

Zipbox costs $0.00685 per vCPU-hour. Watasu limits a session to 24 hours. Zipbox runs Firecracker microVMs 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

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

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

Field

Watasu

Zipbox

Storage: Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.; Zipbox: Free
Free tier: Watasu: Free Basic plan; Zipbox: $25 credit after a one-time $5 top-up
Billing: Watasu: Per second; Zipbox: Bundled machine time
Max session: Watasu: 24 hours; Zipbox: No limit
Largest sandbox: Watasu: 8 vCPU · 8 GiB; Zipbox: 6 vCPU · 16 GiB
Snapshots: Watasu:; Zipbox: No
Pause and resume: Watasu:; Zipbox: No
SDKs: Watasu: Python, TypeScript, Rust; Zipbox: TypeScript, Python, Go, Rust
Integrations: Watasu: MCP, Claude Code; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

Watasuwatasu.io/pricing

Zipboxzipbox.ai/pricing

Pricing

vCPU, per hour: Watasu: Not listed; Zipbox: $0.00685
RAM, per GiB-hour: Watasu: Not listed; Zipbox: 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.; Zipbox: Free
Free tier: Watasu: Free Basic plan; Zipbox: $25 credit after a one-time $5 top-up
Paid plan from: Watasu: Not listed; Zipbox: Pay as you go
Billing: Watasu: Per second; Zipbox: Bundled machine time

Limits

Max session: Watasu: 24 hours; Zipbox: No limit
Idle stop: Watasu: Not listed; Zipbox: Not listed
Largest sandbox: Watasu: 8 vCPU · 8 GiB; Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes: Watasu: Up to 100; Zipbox: Not listed

Platform

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

Developer

SDKs: Watasu: Python, TypeScript, Rust; Zipbox: TypeScript, Python, Go, Rust
Integrations: Watasu: MCP, Claude Code; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License: Watasu: Not listed; Zipbox: Not listed
BYOC: Watasu: Not listed; Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Watasu

Zipbox

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

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Watasu fits when

You need snapshots.
You need pause and resume.

Zipbox fits when

A session must run longer than 24 hours.
You use the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
You need a desktop in the sandbox.

More comparisons

See all comparisons

Watasu

Zipbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Watasu fits when

Zipbox fits when

More comparisons

Related

Compare

Pricing

Browse