Sandbox0 vs Watasu

Sandbox0 bills memory only, at $0.015 per GiB-hour. Sandbox0 runs gVisor and has no session limit. Watasu limits a session to 24 hours.

Updated Oct 15, 2026

Sandbox0

Long-running agent sandboxes with durable storage.

Isolation: gVisor
Free tier: Not listed
Max session: No limit

Visit site Sandbox0 profile

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

What is different

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

Field

Sandbox0

Watasu

Storage: Sandbox0: Free; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Billing: Sandbox0: Memory only; Watasu: Per second
Max session: Sandbox0: No limit; Watasu: 24 hours
Concurrent sandboxes: Sandbox0: Up to 20; Watasu: Up to 100

Full comparison

18 fields, at each provider's list price

Sandbox0sandbox0.ai/pricingsandbox0.ai

Watasuwatasu.io/pricing

Pricing

vCPU, per hour: Sandbox0: Included; Watasu: Not listed
RAM, per GiB-hour: Sandbox0: $0.015; Watasu: Not listed
Storage: Sandbox0: Free; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Free tier: Sandbox0: Not listed; Watasu: Free Basic plan
Paid plan from: Sandbox0: Pay as you go; Watasu: Not listed
Billing: Sandbox0: Memory only; Watasu: Per second

Limits

Max session: Sandbox0: No limit; Watasu: 24 hours
Idle stop: Sandbox0: Not listed; Watasu: Not listed
Largest sandbox: Sandbox0: Not listed; Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes: Sandbox0: Up to 20; Watasu: Up to 100

Platform

Isolation: Sandbox0: gVisor; Watasu: Not listed
GPU: Sandbox0: Not listed; Watasu: Not listed
Snapshots: Sandbox0:; Watasu:
Pause and resume: Sandbox0:; Watasu:

Developer

SDKs: Sandbox0: Go, Python, TypeScript; Watasu: Not listed
Integrations: Sandbox0: LangChain, OpenAI Agents SDK; Watasu: Not listed

Trust

License: Sandbox0: Apache-2.0; Watasu: Not listed
BYOC: Sandbox0: Not listed; Watasu: Not listed

Hourly cost

One sandbox running for one hour

Size

Sandbox0

Watasu

1 vCPU · 2 GiB: Sandbox0: $0.030; Watasu: Not listed
2 vCPU · 4 GiB: Sandbox0: $0.060; Watasu: Not listed
4 vCPU · 8 GiB: Sandbox0: $0.120; Watasu: Not listed

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Sandbox0 fits when

A session must run longer than 24 hours.
You want an open-source platform (Apache-2.0) that you can self-host.
You use LangChain or the OpenAI Agents SDK.
You want one rate for memory, with CPU included.

More comparisons

See all comparisons

Sandbox0

Watasu

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Sandbox0 fits when

More comparisons

Related

Compare

Pricing

Browse