Prime Sandboxes vs Watasu

Prime Sandboxes costs $0.02 per vCPU-hour. Prime Sandboxes runs microVMs and has no session limit. Watasu limits a session to 24 hours.

Updated Oct 15, 2026

Prime Sandboxes

Isolated microVM sandboxes for AI agents and RL.

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

Visit site Prime Sandboxes 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

Prime Sandboxes

Watasu

Storage: Prime Sandboxes: $0.0002 per GiB-hour; Watasu: Retained disks €0.10 per GiB per month while the sandbox is stopped. Checkpoints and templates €0.03 per GiB per month.
Max session: Prime Sandboxes: No limit; Watasu: 24 hours
Largest sandbox: Prime Sandboxes: 16 vCPU · 64 GiB; Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes: Prime Sandboxes: Up to 1,024; Watasu: Up to 100

Full comparison

18 fields, at each provider's list price

Prime Sandboxesdocs.primeintellect.ai/sandboxes/overviewdocs.primeintellect.ai

Watasuwatasu.io/pricing

Pricing

vCPU, per hour: Prime Sandboxes: $0.02; Watasu: Not listed
RAM, per GiB-hour: Prime Sandboxes: $0.0125; Watasu: Not listed
Storage: Prime Sandboxes: $0.0002 per GiB-hour; 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: Prime Sandboxes: Not listed; Watasu: Free Basic plan
Paid plan from: Prime Sandboxes: Pay as you go; Watasu: Not listed
Billing: Prime Sandboxes: Per second; Watasu: Per second

Limits

Max session: Prime Sandboxes: No limit; Watasu: 24 hours
Idle stop: Prime Sandboxes: Not listed; Watasu: Not listed
Largest sandbox: Prime Sandboxes: 16 vCPU · 64 GiB; Watasu: 8 vCPU · 8 GiB
Concurrent sandboxes: Prime Sandboxes: Up to 1,024; Watasu: Up to 100

Platform

Isolation: Prime Sandboxes: MicroVM; Watasu: Not listed
GPU: Prime Sandboxes: Not listed; Watasu: Not listed
Snapshots: Prime Sandboxes:; Watasu:
Pause and resume: Prime Sandboxes: Not listed; Watasu:

Developer

SDKs: Prime Sandboxes: Python; Watasu: Not listed
Integrations: Prime Sandboxes: Not listed; Watasu: Not listed

Trust

License: Prime Sandboxes: Not listed; Watasu: Not listed
BYOC: Prime Sandboxes: Not listed; Watasu: Not listed

Hourly cost

One sandbox running for one hour

Size

Prime Sandboxes

Watasu

1 vCPU · 2 GiB: Prime Sandboxes: $0.045; Watasu: Not listed
2 vCPU · 4 GiB: Prime Sandboxes: $0.090; Watasu: Not listed
4 vCPU · 8 GiB: Prime Sandboxes: $0.180; Watasu: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Prime Sandboxes fits when

A session must run longer than 24 hours.
You need a sandbox larger than 8 vCPU · 8 GiB.

Watasu fits when

You need pause and resume.

More comparisons

See all comparisons

Prime Sandboxes

Watasu

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Prime Sandboxes fits when

Watasu fits when

More comparisons

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