Cua Fleets vs Sandbox0

Cua Fleets costs $0.044625 per vCPU-hour. Sandbox0 bills memory only, at $0.015 per GiB-hour. Cua Fleets runs gVisor. Sandbox0 runs gVisor and has no session limit.

Updated Oct 14, 2026

Cua Fleets

Hosted Linux and Windows sandboxes for computer-use agents.

Isolation: gVisor
Free tier: Not listed
Max session: Not listed

Visit site Cua Fleets profile

Sandbox0

Long-running agent sandboxes with durable storage.

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

Visit site Sandbox0 profile

What is different

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

Field

Cua Fleets

Sandbox0

vCPU, per hour: Cua Fleets: $0.044625; Sandbox0: Included
RAM, per GiB-hour: Cua Fleets: $0.0223125; Sandbox0: $0.015
Billing: Cua Fleets: Per second; Sandbox0: Memory only
Pause and resume: Cua Fleets: No; Sandbox0:
SDKs: Cua Fleets: Python, TypeScript, Rust; Sandbox0: Go, Python, TypeScript
Integrations: Cua Fleets: OpenAI Agents SDK, MCP; Sandbox0: LangChain, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

Cua Fleetscua.ai/#pricing

Sandbox0sandbox0.ai/pricingsandbox0.ai

Pricing

vCPU, per hour: Cua Fleets: $0.044625; Sandbox0: Included
RAM, per GiB-hour: Cua Fleets: $0.0223125; Sandbox0: $0.015
Storage: Cua Fleets: Free; Sandbox0: Free
Free tier: Cua Fleets: Not listed; Sandbox0: Not listed
Paid plan from: Cua Fleets: Not listed; Sandbox0: Pay as you go
Billing: Cua Fleets: Per second; Sandbox0: Memory only

Limits

Max session: Cua Fleets: Not listed; Sandbox0: No limit
Idle stop: Cua Fleets: Not listed; Sandbox0: Not listed
Largest sandbox: Cua Fleets: 8 vCPU · 32 GiB; Sandbox0: Not listed
Concurrent sandboxes: Cua Fleets: Not listed; Sandbox0: Up to 20

Platform

Isolation: Cua Fleets: gVisor; Sandbox0: gVisor
GPU: Cua Fleets: Not listed; Sandbox0: Not listed
Snapshots: Cua Fleets: Not listed; Sandbox0:
Pause and resume: Cua Fleets: No; Sandbox0:

Developer

SDKs: Cua Fleets: Python, TypeScript, Rust; Sandbox0: Go, Python, TypeScript
Integrations: Cua Fleets: OpenAI Agents SDK, MCP; Sandbox0: LangChain, OpenAI Agents SDK

Trust

License: Cua Fleets: Not listed; Sandbox0: Apache-2.0
BYOC: Cua Fleets: Your AWS, Google Cloud, or Modal account; Sandbox0: Not listed

Hourly cost

One sandbox running for one hour

Size

Cua Fleets

Sandbox0

1 vCPU · 2 GiB: Cua Fleets: $0.089; Sandbox0: $0.030
2 vCPU · 4 GiB: Cua Fleets: $0.179; Sandbox0: $0.060
4 vCPU · 8 GiB: Cua Fleets: $0.357; Sandbox0: $0.120

Compute only, at list rates.

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Which one fits

Based on the fields above

Cua Fleets fits when

You use MCP.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.
You need SOC 2.

Sandbox0 fits when

You want an open-source platform (Apache-2.0) that you can self-host.
You use LangChain.
You want the lower list price: $0.060 against $0.179 an hour for 2 vCPU and 4 GiB.
You need snapshots.

More comparisons

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Cua Fleets

Sandbox0

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Cua Fleets fits when

Sandbox0 fits when

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