Cua Fleets vs Namespace Devboxes

Cua Fleets costs $0.044625 per vCPU-hour and Namespace Devboxes costs $0.06 per vCPU-hour. Cua Fleets runs gVisor. Namespace Devboxes runs full VMs.

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

Namespace Devboxes

Dev environments for AI coding agents.

Isolation: Full VM
Free tier: 30-day free trial
Max session: Not listed

Visit site Namespace Devboxes profile

What is different

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

Field

Cua Fleets

Namespace Devboxes

vCPU, per hour: Cua Fleets: $0.044625; Namespace Devboxes: $0.06
RAM, per GiB-hour: Cua Fleets: $0.0223125; Namespace Devboxes: Included
Storage: Cua Fleets: Free; Namespace Devboxes: $0.20 per GB-month for storage used
Billing: Cua Fleets: Per second; Namespace Devboxes: Bundled machine time
Largest sandbox: Cua Fleets: 8 vCPU · 32 GiB; Namespace Devboxes: 32 vCPU · 64 GiB
Isolation: Cua Fleets: gVisor; Namespace Devboxes: Full VM
Pause and resume: Cua Fleets: No; Namespace Devboxes:
SDKs: Cua Fleets: Python, TypeScript, Rust; Namespace Devboxes: TypeScript
Integrations: Cua Fleets: OpenAI Agents SDK, MCP, Claude Code; Namespace Devboxes: Claude Code

Full comparison

18 fields, at each provider's list price

Cua Fleetscua.ai/#pricing

Namespace Devboxesnamespace.so/pricingnamespace.so

Pricing

vCPU, per hour: Cua Fleets: $0.044625; Namespace Devboxes: $0.06
RAM, per GiB-hour: Cua Fleets: $0.0223125; Namespace Devboxes: Included
Storage: Cua Fleets: Free; Namespace Devboxes: $0.20 per GB-month for storage used
Free tier: Cua Fleets: Not listed; Namespace Devboxes: 30-day free trial
Paid plan from: Cua Fleets: Not listed; Namespace Devboxes: Pay as you go
Billing: Cua Fleets: Per second; Namespace Devboxes: Bundled machine time

Limits

Max session: Cua Fleets: Not listed; Namespace Devboxes: Not listed
Idle stop: Cua Fleets: Not listed; Namespace Devboxes: After 15 minutes
Largest sandbox: Cua Fleets: 8 vCPU · 32 GiB; Namespace Devboxes: 32 vCPU · 64 GiB
Concurrent sandboxes: Cua Fleets: Not listed; Namespace Devboxes: Not listed

Platform

Isolation: Cua Fleets: gVisor; Namespace Devboxes: Full VM
GPU: Cua Fleets: Not listed; Namespace Devboxes: Not listed
Snapshots: Cua Fleets: Not listed; Namespace Devboxes: Not listed
Pause and resume: Cua Fleets: No; Namespace Devboxes:

Developer

SDKs: Cua Fleets: Python, TypeScript, Rust; Namespace Devboxes: TypeScript
Integrations: Cua Fleets: OpenAI Agents SDK, MCP, Claude Code; Namespace Devboxes: Claude Code

Trust

License: Cua Fleets: Not listed; Namespace Devboxes: Not listed
BYOC: Cua Fleets: Your AWS, Google Cloud, or Modal account; Namespace Devboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Cua Fleets

Namespace Devboxes

1 vCPU · 2 GiB: Cua Fleets: $0.089; Namespace Devboxes: $0.060
2 vCPU · 4 GiB: Cua Fleets: $0.179; Namespace Devboxes: $0.120
4 vCPU · 8 GiB: Cua Fleets: $0.357; Namespace Devboxes: $0.240

Compute only, at list rates.

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Which one fits

Based on the fields above

Cua Fleets fits when

You use the OpenAI Agents SDK or MCP.
You need the sandboxes in your own cloud account.

Namespace Devboxes fits when

You want each sandbox to be a full VM.
You want the lower list price: $0.120 against $0.179 an hour for 2 vCPU and 4 GiB.
You need pause and resume.
You need a sandbox larger than 8 vCPU · 32 GiB.

More comparisons

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Cua Fleets

Namespace Devboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Cua Fleets fits when

Namespace Devboxes fits when

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