HelloStack

Best Cua Alternatives in 2026

11 top Sandboxes tools you can use instead of Cua, with pricing and key features.

Cua

Scale computer fleets for every agent

  • Cross-OS Fleets
  • Warm Pools & Auto-scaling
  • Snapshots & Reproducibility
  • Background Drivers for Computer-Use
Cua screenshot

Cua alternatives

Infrastructure for autonomous agents

SandboxesFree plan availableAI
  • Sandboxes
  • Batch API
  • MCP servers

Cheapest, Most Powerful Sandboxes for Agents

SandboxesAI
  • Provisioned Ubuntu VMs
  • Out-of-the-box dev toolkit
  • Agent-oriented controls

Secure Infrastructure for Running AI-Generated Code

SandboxesFrom $0.000108 / hourlyAI
  • Ultra-fast sandbox provisioning
  • Isolated, multi-tenant runtimes
  • Multi-language support & runtimes

The Enterprise AI Agent Cloud

SandboxesFree plan availableAIOpen Source
  • Open-source sandboxing
  • Real-world tool integrations
  • Governance and security controls

VMs for AI Agents

SandboxesFree plan availableAI
  • Instant Startup
  • Live Cloning
  • Pause

Sandbox for AI Agents

SandboxesAIOpen Source
  • Ephemeral Sandbox per Invocation
  • Policy-Driven Access
  • Credential Safety & Proxyed Network

The background agent cloud

SandboxesAI
  • Agent as TypeScript Function
  • Real Linux Session per Session
  • Durable Sessions and Scheduling

Computers for AI agents

SandboxesFrom $29 / monthlyAI
  • Full Desktops
  • Always On
  • OS Availability

Your AI Agent Accelerator

SandboxesFree plan availableAI
  • Devboxes
  • Performant Sandbox Infrastructure
  • Repo Connections

Full Linux computers for your agents

SandboxesFrom $0.15 / monthlyAI
  • Live Checkpoints
  • The Whole Disk Snapshot
  • Copy-On-Write

Composable computers for Devs and Agents

SandboxesFree plan availableAI
  • Persistent state
  • Live memory fork
  • Pause/Resume and hibernate

Frequently Asked Questions

What is Cua?

Cua is a Sandboxes tool: Scale computer fleets for every agent. Key features include Cross-OS Fleets, Warm Pools & Auto-scaling, Snapshots & Reproducibility and Background Drivers for Computer-Use.

Are there free alternatives to Cua?

Yes. Blaxel, E2B, Freestyle, Runloop and boxd have a free plan.

Is there an open-source alternative to Cua?

Yes. E2B and Nono are open source.

Which Cua alternatives are paid-only?

Daytona: From $0.000108 / hourly. Orgo: From $29 / monthly. Sprites: From $0.15 / monthly.