AI agent sandbox providers compared
Hosted sandboxes for running AI agents and the code they write. Each row comes from that provider's own documentation, checked on the date shown; follow a name for the full comparison and its sources. "Not documented" means their public docs don't say.
Rankings
- Top AI sandbox platforms for code execution
- Best sandboxes for coding agents
- Best Daytona sandbox alternatives
- Best E2B alternatives
- Best Modal Sandboxes alternatives
- Best microVM platforms
- Best tools to give an LLM a full computer
- Best ways to run untrusted or LLM-generated code safely
- Best sandboxes for browser and computer-use agents
Firecracker microVMs with memory-preserving pause and fork, and an open-source stack.
Many sandbox classes, from containers to VMs, Windows and GPUs.
Massive scale and GPUs for short-lived sandboxes, gVisor by default.
Firecracker microVMs billed on active CPU, inside the Vercel platform.
Prices are list prices for one 4 vCPU, 8 GB machine-hour where the provider sells one, before credits, plans and storage; each comparison page shows the arithmetic. Names are trademarks of their owners; Sandboxer is not affiliated with them.
Every comparison in this category
- Sandboxer vs Agent37
Agent37 hosts persistent sandboxes for agent harnesses such as Claude Code, Codex and OpenClaw, priced per minute.
- Sandboxer vs AgentComputer
Cloud computers for AI agents running in Firecracker instances, with snapshots and published ports.
- Sandboxer vs Alibaba Cloud Agent Sandbox (AgentRun)
Alibaba Cloud's E2B-compatible VM-isolated agent sandbox (Flash and Container editions) billed per second per vCPU/GiB.
- Sandboxer vs Alibaba Cloud AgentBay
Alibaba Cloud's on-demand cloud sandboxes for AI agents: Linux and Windows computers, browsers, code sandboxes and Android phones.
- Sandboxer vs Amika
Open-source tool for running isolated coding-agent VMs on your own machines, your cloud accounts, or Amika-hosted devboxes.
- Sandboxer vs Amp Orbs
Remote Debian machines where the Amp coding agent works on a thread, pausing when idle and waking with files and processes intact.
- Sandboxer vs Archil
Serverless runtime and persistent Firecracker sandboxes for agents, built on Archil's shared disks and object-storage filesystems.
- Sandboxer vs AWS Bedrock AgentCore (Code Interpreter / Runtime)
Managed AWS services for agents: Runtime hosts agents in per-session microVMs, Code Interpreter runs code in a sandbox.
- Sandboxer vs AWS Lambda MicroVMs
AWS Firecracker-based MicroVMs for sandboxes, suspend/resume with memory and disk preserved, built from a Dockerfile image.
- Sandboxer vs Azure Container Apps dynamic sessions
Azure service of prewarmed, Hyper-V-isolated sessions for running untrusted or AI-generated code, via code interpreter or custom containers.
- Sandboxer vs Baponi
Sandboxed code-execution API for AI agents (Bash, Python, Node) with stateful threads, credit pricing and Kubernetes self-hosting.
- Sandboxer vs Beam Sandboxes
Python-first sandboxes on Beam's serverless platform, with snapshots, preview URLs and optional GPUs.
- Sandboxer vs Blaxel
Blaxel provides microVM sandboxes for AI agents that resume from standby in about 25 ms.
- Sandboxer vs boxd
Hardware-isolated Linux machines that fork in under 200 ms, hibernate and wake with processes intact, on EU bare metal.
- Sandboxer vs Buddy Sandboxes
Persistent Ubuntu Linux machines in Buddy's cloud with Docker, public endpoints, snapshots and a CLI/SDK.
- Sandboxer vs Celesto Cloud
Hosted microVM sandboxes built on the open-source Apache-2.0 SmolVM core, with suspend, fork and flat hourly sizes.
- Sandboxer vs Claude Managed Agents (Anthropic)
Anthropic's hosted agent runtime (beta) where Claude runs in per-session cloud Linux containers.
- Sandboxer vs Cloudflare Sandbox
Cloudflare Sandbox SDK runs code in Containers controlled from Workers and Durable Objects.
- Sandboxer vs Coasty
Coasty is a computer-use agent API with managed Linux or Windows cloud machines and the option to enrol your own device.
- Sandboxer vs Collimate
A live-fork sandbox cloud for RL post-training that forks running microVMs, memory included, into many rollouts.
- Sandboxer vs CreateOS Sandbox
Firecracker microVM sandboxes from NodeOps with pause, fork, per-sandbox HTTPS URLs and S3-mounted storage.
- Sandboxer vs Declaw
A secure runtime for AI agents: Firecracker microVM sandboxes with a per-sandbox security proxy and guardrails.
- Sandboxer vs Dedalus Labs (Dedalus Machines)
Persistent Linux VMs (Dedalus Machines) for long-running AI agents, with autosleep and per-second compute billing.
- Sandboxer vs Deno Sandbox
Short-lived Linux microVMs from Deno Deploy, started from JavaScript or Python SDKs, with volumes and snapshots.
- Sandboxer vs Docker Sandboxes
Docker's sbx CLI runs coding agents in microVM sandboxes locally, with a cloud option on Docker-managed infrastructure.
- Sandboxer vs Ellipsis
A managed platform for coding agents defined in YAML: each session runs Claude Code, Codex or Gemini on an isolated cloud machine.
- Sandboxer vs Fly.io Sprites
Persistent hardware-isolated Linux microVMs from Fly.io that sleep when idle and bill only for CPU, memory and storage used.
- Sandboxer vs Freestyle
Freestyle provides full Linux VMs for agents with live forking, pause/resume and HTTPS domains per port.
- Sandboxer vs GKE Agent Sandbox
Kubernetes-native sandbox feature on Google Kubernetes Engine using gVisor, warm pools and open-source CRDs.
- Sandboxer vs Google Agent Platform Sandboxes
Managed sandboxes in Google's Gemini Enterprise Agent Platform: code execution, browser-based computer use, shell and custom containers.
- Sandboxer vs Google Agent Runtime (Vertex AI Agent Engine)
Managed runtime for deploying and scaling agents on Google Cloud, with sessions, Memory Bank and a code execution sandbox.
- Sandboxer vs HopX
Cloud sandboxes for AI agents: microVMs with their own kernel, pause/resume, preview URLs, desktop automation, per-second billing.
- Sandboxer vs Huawei Cloud AgentArts (AgentSphere sandbox)
Huawei Cloud's agent platform with MicroVM-isolated, E2B-compatible sandboxes (AgentSphere) and an AgentArts SDK.
- Sandboxer vs InstaVM
InstaVM runs code for AI agents in microVMs with pause, snapshot, fork and per-second billing.
- Sandboxer vs Islo
Incredibuild's sandbox for AI coding agents: microVM machines with credential-injecting gateways, snapshots and automations.
- Sandboxer vs Isorun
A sandbox runtime that boots KVM-isolated Linux VMs from any OCI image, with hibernate, fork and signed port URLs.
- Sandboxer vs Kedge
Cloud platform for apps, databases and dev machines, with short-lived hardware-isolated VM sandboxes across ten regions.
- Sandboxer vs Koyeb Sandboxes
Koyeb Sandboxes are ephemeral isolated compute environments on the Koyeb serverless platform.
- Sandboxer vs LangSmith Sandboxes
Managed isolated sandboxes inside LangSmith, with snapshots, service URLs, an auth proxy, and self-hosted and BYOC options.
- Sandboxer vs Leap0
Firecracker microVM sandboxes for AI-generated code with snapshots, auto-pause, SSH, desktop and an MCP server.
- Sandboxer vs Lizard
Firecracker microVM sandboxes with snapshots, live fork, persistent volumes and flat hourly sizes, in US and EU regions.
- Sandboxer vs microsandbox
Open-source (Apache-2.0) library and CLI that boots libkrun microVMs locally in under 100 ms, with fork and full-state snapshots.
- Sandboxer vs Microsoft Foundry Agent Service
Microsoft's managed agent platform with a Python Code Interpreter sandbox and hosted-agent containers in per-session VM sandboxes.
- Sandboxer vs MIOSA
Platform for agent products: Firecracker sandboxes, GUI computers, Docker Host deployments, managed data and white-label domains.
- Sandboxer vs Morph Cloud
Morph Cloud (Infinibranch) offers VM instances you can snapshot, branch, pause and expose over HTTP.
- Sandboxer vs Northflank Sandboxes
Northflank's microVM sandboxes on Cloud Hypervisor with GPUs, Docker, BYOC and no session limit, billed per second.
- Sandboxer vs Novita Agent Sandbox
Novita AI's usage-billed agent sandbox with pause/resume, snapshots, browser and desktop use, and an enterprise SLA.
- Sandboxer vs Omnara
Open-source API (Apache 2.0) for running durable agents, with machines from Omnara, your own providers or a local daemon.
- Sandboxer vs OmniRun
Open-source (Apache-2.0) sandbox cloud on Firecracker microVMs, self-hostable or managed in Finland.
- Sandboxer vs OpenAI Containers (Code Interpreter)
Short-lived containers inside the OpenAI API for the Code Interpreter and hosted shell tools, billed per 20-minute session.
- Sandboxer vs OpenComputer
OpenComputer (Digger) is a platform for deploying long-running agents as code, each session running on its own Linux machine.
- Sandboxer vs OpenPond
Open-source agent workspace with a cloud sandbox compute service controllable from server-side TypeScript.
- Sandboxer vs OpenReward
Hosted platform for RL training and evaluation environments (ORS), with optional container sandboxes tied to each environment.
- Sandboxer vs Orgo
Cloud Linux (and Windows) desktop computers for AI agents, controlled via API, CLI, SDKs or MCP.
- Sandboxer vs PandaStack
Open-source (Apache-2.0) KVM microVM sandboxes with snapshot, fork and resume, plus app hosting and managed Postgres.
- Sandboxer vs PPIO Agent Sandbox
PPIO's E2B-compatible agent sandbox with pause/resume, snapshots and per-second CPU/RAM billing in RMB, hosted in China.
- Sandboxer vs Prime Intellect Sandboxes
Prime Intellect Sandboxes run OCI images in hardware-isolated microVMs, built for RL rollouts and agent evals at scale.
- Sandboxer vs Railway Sandboxes
Railway Sandboxes are disposable Linux VMs inside Railway environments, with checkpoints, forks and private networking.
- Sandboxer vs Rivet agentOS
Open-source lightweight agent VM runtime (JS/WASM/Python) embedded in your Node backend or hosted as a Rivet Actor.
- Sandboxer vs Runloop
Runloop provides VM-isolated Devboxes with snapshots and suspend/resume for AI coding agents and evaluation.
- Sandboxer vs Runtime
Runtime provides Firecracker microVM sandboxes for AI agents billed on active vCPU and reserved memory.
- Sandboxer vs Sail Sailboxes
Sail Research's Sailboxes are persistent kernel-isolated Linux VMs for long-running agents.
- Sandboxer vs Sandbox0
Managed persistent cloud sandboxes for AI agents with snapshot, fork and memory-based billing.
- Sandboxer vs shellbox
On-demand Firecracker or Cloud Hypervisor microVMs reached over plain SSH, billed per slot-hour, with memory-snapshot pause.
- Sandboxer vs smol machines
smol machines runs open-source libkrun microVMs locally, self-hosted or on its managed smol cloud.
- Sandboxer vs Solari
Browsers, sandboxes and desktop VMs for AI agents on Cloud Hypervisor microVMs with memory snapshots.
- Sandboxer vs StateSet Sandbox
Kubernetes-based code execution runtime for AI agents: one gVisor pod per sandbox, with Kata microVMs as an option. Hosted or self-hosted.
- Sandboxer vs Superserve
Firecracker microVM sandboxes for agents with pause/resume, memory snapshots and forks, preview URLs, open source and BYOC.
- Sandboxer vs Tangle Sandbox
Tangle Network's sandbox for agents: dev containers or microVMs with shell, files, ports, snapshots and per-command GPU leases.
- Sandboxer vs Tencent Cloud Agent Runtime (Agent Sandbox)
Tencent Cloud's managed sandbox service for AI agents: code, browser and custom sandboxes billed per second, part of Agent Runtime.
- Sandboxer vs Tenki Sandbox
Disposable full Linux VMs for AI agents with root, Docker, memory pause and fork, billed per second.
- Sandboxer vs Tensorlake
Tensorlake offers MicroVM sandboxes with memory-preserving suspend, snapshots and GPU sandboxes.
- Sandboxer vs Together Code Sandbox
Together AI's code sandbox: Docker-image snapshots, per-vCPU and per-GiB billing, and per-port preview URLs, by request access.
- Sandboxer vs Unikraft Cloud
Firecracker-based microVM cloud with millisecond cold starts, scale-to-zero, instance snapshots and on-prem option.
- Sandboxer vs Upstash Box
Upstash Box is a Docker-container based cloud box with a built-in coding agent, snapshots and SSH.
- Sandboxer vs Volcano Engine AgentKit
ByteDance's agent platform (Volcano Engine / BytePlus) with microVM sandbox templates for code, browser and terminal tasks.
- Sandboxer vs Zipbox
Zipbox runs coding agents such as Claude Code and Codex on their own Firecracker microVM computers.