Best sandboxes for computer-use and browser agents
For computer-use agents, our top picks are Daytona, E2B and Fly.io Sprites. We weight desktop support, OS options, session length and streaming access.
What computer-use agents need from a sandbox
Computer-use agents operate a GUI through screenshots and input events, so the sandbox must provide:
- A virtual desktop with a way to stream or VNC into it.
- OS options — many enterprise workflows need Windows or macOS.
- Longer sessions and enough memory for a browser and desktop apps.
- Persistence for logged-in browser profiles, handled carefully.
Best sandboxes for computer-use and browser agents, ranked
Daytona
Stateful sandboxes for AI-generated code — Linux containers, Linux and Windows VMs, macOS and GPU sandboxes — with snapshots, volumes and preview URLs.
- Containers or VMs
- BYOC
- GPU
- Pause/resume
Why it’s here: Linux and Windows VM sandboxes plus macOS, with VNC and web terminal access from the same API.
E2B
Open-source cloud sandboxes for AI agents, each a Firecracker microVM, with pause/resume, snapshots and forking.
- Firecracker microVM
- Open source
- Self-hostable
- BYOC
- Pause/resume
Why it’s here: A dedicated Desktop SDK for computer-use agents on Firecracker microVMs, with pause/resume to keep sessions alive cheaply.
Fly.io Sprites
Persistent, hardware-isolated Linux computers for AI agents with a durable 100 GB disk, checkpoints, and no compute charges while idle.
- MicroVM
- Pause/resume
Why it’s here: Persistent microVM computers with durable disks — good for long-lived browser agents that keep state.
AWS Bedrock AgentCore
AWS’s managed agent platform: a Code Interpreter tool for running agent-generated code and a Runtime that hosts each agent session in its own microVM.
- MicroVM (Runtime)
Why it’s here: Managed agent runtime with long sessions inside AWS; pairs with AWS’s managed browser tooling.
Modal Sandboxes
Sandboxes on Modal’s serverless compute platform for running untrusted code at very high scale, with GPUs, snapshots and tunnels.
- gVisor or VM
- GPU
- Pause/resume
Why it’s here: High-concurrency sandboxes for running many headless browser agents in parallel.
Side by side
| Sandbox | Isolation | Open source | Self-host / BYOC | Cold start (vendor) | Max session | Snapshots / pause | GPU | SDKs |
|---|---|---|---|---|---|---|---|---|
| Daytona | Containers or VMs | No | Not documented / Yes | <90 ms | Unlimited | Yes / Yes | Yes | Python, TypeScript, Ruby, Go, Java |
| E2B | Firecracker microVM | Yes | Yes / Yes | Not documented | 1 h / 24 h (Pro) | Yes / Yes | No | Python, JavaScript/TypeScript |
| Fly.io Sprites | MicroVM | No | No / No | 0.1–2 s wake | Unlimited | Yes / Yes | No | JavaScript/TypeScript, Go, Python, Elixir |
| AWS Bedrock AgentCore | MicroVM (Runtime) | No | No / No | Not documented | Up to 8 h | Not documented / Not documented | No | Python (AgentCore SDK), AWS SDKs, AWS CLI |
| Modal Sandboxes | gVisor or VM | No | No / Not documented | <1 s | Up to 24 h | Yes / Yes | Yes | Python, JavaScript/TypeScript, Go |
Frequently asked questions
Which sandbox supports Windows desktops for agents?
Cite this page
Agent Sandboxes. (2026). Best sandboxes for computer-use and browser agents. agentsandboxes.org. Last reviewed November 8, 2026. https://agentsandboxes.org/best/computer-use/
Found an error or a missing sandbox? Submit a correction — every entry links to the sources it relies on.