Azure Container Apps Sandboxes vs Cua Fleets

Azure Container Apps Sandboxes costs $0.0864 per vCPU-hour and Cua Fleets costs $0.044625 per vCPU-hour. Azure Container Apps Sandboxes runs microVMs. Cua Fleets runs gVisor.

Updated Oct 14, 2026

Azure Container Apps Sandboxes

Isolated microVM sandboxes that start on demand.

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

Visit site Azure Container Apps Sandboxes profile

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

What is different

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

Field

Azure Container Apps Sandboxes

Cua Fleets

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Cua Fleets: $0.044625
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Cua Fleets: $0.0223125
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Cua Fleets: Free
Largest sandbox: Azure Container Apps Sandboxes: 4 vCPU · 8 GiB; Cua Fleets: 8 vCPU · 32 GiB
Isolation: Azure Container Apps Sandboxes: MicroVM; Cua Fleets: gVisor
Pause and resume: Azure Container Apps Sandboxes:; Cua Fleets: No
SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Cua Fleets: Python, TypeScript, Rust

Full comparison

18 fields, at each provider's list price

Azure Container Apps Sandboxessandboxes.azure.com/docs/sandboxes/costsandboxes.azure.com

Cua Fleetscua.ai/#pricing

Pricing

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Cua Fleets: $0.044625
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Cua Fleets: $0.0223125
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Cua Fleets: Free
Free tier: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed
Paid plan from: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed
Billing: Azure Container Apps Sandboxes: Per second; Cua Fleets: Per second

Limits

Max session: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed
Idle stop: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed
Largest sandbox: Azure Container Apps Sandboxes: 4 vCPU · 8 GiB; Cua Fleets: 8 vCPU · 32 GiB
Concurrent sandboxes: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed

Platform

Isolation: Azure Container Apps Sandboxes: MicroVM; Cua Fleets: gVisor
GPU: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed
Snapshots: Azure Container Apps Sandboxes:; Cua Fleets: Not listed
Pause and resume: Azure Container Apps Sandboxes:; Cua Fleets: No

Developer

SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Cua Fleets: Python, TypeScript, Rust
Integrations: Azure Container Apps Sandboxes: Not listed; Cua Fleets: OpenAI Agents SDK, MCP

Trust

License: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Not listed
BYOC: Azure Container Apps Sandboxes: Not listed; Cua Fleets: Your AWS, Google Cloud, or Modal account

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps Sandboxes

Cua Fleets

1 vCPU · 2 GiB: Azure Container Apps Sandboxes: $0.108; Cua Fleets: $0.089
2 vCPU · 4 GiB: Azure Container Apps Sandboxes: $0.216; Cua Fleets: $0.179
4 vCPU · 8 GiB: Azure Container Apps Sandboxes: $0.432; Cua Fleets: $0.357

Compute only, at list rates.

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Which one fits

Based on the fields above

Azure Container Apps Sandboxes fits when

You want each sandbox in its own microVM.
You need snapshots.
You need pause and resume.

Cua Fleets fits when

You use the OpenAI Agents SDK or MCP.
You want the lower list price: $0.179 against $0.216 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

Azure Container Apps Sandboxes

Cua Fleets

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps Sandboxes fits when

Cua Fleets fits when

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