MicroVM Shellbox alternatives
59 microVM sandbox providers you can use instead of Shellbox. Krova Cloud has the lowest hourly price, $0.012 for 2 vCPU and 4 GiB. Koyeb Sandboxes, Northflank Sandboxes, Shardflux, Thunder Sandboxes, Tensorlake Sandboxes, CoreWeave Sandboxes and Unikraft Cloud offer GPUs.
Updated
Shellbox, for reference
ShellboxLinux microVMs for developers and AI agents, made and controlled over SSH.
IsolationFirecracker
2 vCPU · 4 GiB$0.020 / hr
Free tierNot listed
Max sessionNo limit
59 microVM alternatives to Shellbox
Sorted by hourly price for 2 vCPU · 4 GiB, low to high
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Krova Cloud
Firecracker microVMs with root access, billed by the minute.FirecrackerLower vCPU priceAutomatic snapshots on a tier schedule, plus manual ones$0.012per hour
Zipbox
Long-lived Firecracker microVMs for AI agents, each with its own desktop.DesktopFirecrackerLower vCPU price$0.014per hour
$0.016per hour
$0.029per hour
Celesto Cloud
Cloud computers for AI agents, each in a microVM.DesktopMicroVMSnapshot and resume keep processes intact$0.030per hour
Mosaic Sandbox
Linux microVM sandboxes for coding agents.FirecrackerRestore sandboxes from a saved snapshot.2 regions$0.050per hour
Northflank Sandboxes
MicroVM sandboxes for running untrusted code.GPUCloud HypervisorFilesystem snapshots of a running service. Needs the Kata runtime$0.067per hour
Alibaba Cloud Agent Sandbox
Managed microVM sandboxes for AI agents, with E2B SDK support.DesktopMicroVMMemory and file system. Flash Edition needs allowlist access.$0.071per hour
DigitalOcean MicroVMs
Lightweight virtual machines that run a container image in their own kernel and pause when idle.FirecrackerCheckpoints save memory and diskSOC 2$0.078per hour
Runtime
Firecracker microVM sandboxes for AI agents, billed on the CPU that code uses.Bills active CPU onlyDesktopFirecracker$0.080per hour
Prime Sandboxes
Isolated microVM sandboxes for AI agents and RL.MicroVMFilesystem checkpoints and forks. Files only, not running processes or memory$0.090per hour
$0.092per hour
MIOSA
Cloud sandboxes and persistent computers that AI agents use to build and run software.DesktopFirecracker3 regions$0.099per hour
BytePlus AI Cloud Native Sandbox
Isolated microVM sandboxes for AI inference, reinforcement learning and model evaluation.DesktopMicroVM1 regions$0.103per hour
$0.110per hour
CreateOS Sandbox
Hosted Firecracker microVM sandboxes for AI agents.DesktopFirecrackerPause, resume and fork$0.119per hour
Caged
Isolated microVM sandboxes that record every agent action.FirecrackerFree plan, 5 sandboxes a day$0.120per hourDigitalOcean Harness Runtime
Managed microVM sandboxes for AI agents and their code.Bills active CPU onlyFirecrackerSnapshots and checkpoints, $0.05 per GiB-month$0.126per hour
Collimate
Live-fork microVM sandboxes for RL post-training and coding agents.FirecrackerDemo key, free with no card$0.128per hour
Prized Sandboxes
Linux microVMs in beta that your code creates, runs commands in, pauses, forks and deletes.Firecracker1 regions$30 credit, one time$0.130per hour
EQVPS Sandboxes
Firecracker microVM sandboxes for AI agents, paid per second from a prepaid crypto balance.Firecracker$1 sandbox credit, one time$0.132per hour
Docker Sandboxes
Cloud microVM sandboxes for coding agents, run by Docker.MicroVMManaged through the API$25 credit, one time$0.140per hour
Shardflux
Serverless VMs for cloud agents that park when idle and keep their state.Bills active CPU onlyGPUDesktop$0.140per hour
Together Sandbox
Isolated runtime environments for code from AI agents.FirecrackerSnapshot on termination keeps stateSOC 2 Type II$0.149per hour
$0.150per hour
$0.158per hour
Fly.io Sprites
Persistent Linux computers that sleep when idle.Bills active CPU onlyFirecrackerCheckpoints$0.165per hour
microsandbox cloud
Hosted microVM sandboxes for AI agents and untrusted code.MicroVMDisk only, from stopped persistent sandboxesFree plan, 5 computer-hours a month$0.165per hour
Smol Machines
Hosted Linux microVMs with their own kernel, for agents and untrusted code.Bills active CPU onlyMicroVMCheckpoints keep disk, RAM and processes. Branch makes live copy-on-write clones.$0.165per hour
$0.166per hour
$0.166per hour
$0.166per hour
$0.166per hour
InstaVM
Hardware-isolated microVMs for AI agent code.DesktopFirecrackerFork any sandbox, rewind any run$0.166per hour
Leap0
Firecracker microVM sandboxes for running untrusted code.DesktopFirecrackerMemory and disk state$0.166per hour
Superserve
Firecracker microVM sandboxes that pause and resume.DesktopFirecracker$5 to start, plus $95 when you add billing$0.166per hour
Thunder Sandboxes
Isolated, short-lived sandboxes for agents, GPU optional.GPUFirecrackerSOC 2 Type II$0.166per hour
Solari
One API for cloud browsers, headless microVM sandboxes and desktop VMs for AI agents.DesktopCloud HypervisorSnapshot, fork and revert$0.171per hour
PandaStack Sandbox
Firecracker microVM sandboxes for AI agents.Bills active CPU onlyFirecracker$5.40 usage credit every month$0.173per hour
Cloudflare Sandbox
Linux sandboxes that run untrusted or generated code, driven from a Worker.Bills active CPU onlyFirecrackerPublic beta. A snapshot expires 30 days after it is created or last restored$0.180per hour
SF Compute Autoresearch Sandboxes
Isolated microVMs for AI agents that fork from a saved snapshot, part of SF Compute Autoresearch.Bills on memory onlyMicroVMKeeps memory and running processes. Up to 256 forks per call.$0.183per hour
LangSmith Sandboxes
Isolated sandboxes for running agent-generated code.FirecrackerFrom Docker images or running sandboxes4 regions$0.189per hour
Tensorlake Sandboxes
MicroVM sandboxes for AI agents and AI-generated code.Bills active CPU onlyGPUDesktop$0.200per hour
Azure Container Apps Sandboxes
Isolated microVM sandboxes that start on demand.MicroVMMemory and disk40 regions$0.216per hour
Amazon Bedrock AgentCore Code Interpreter
Managed code sandboxes for AI agents on AWS.Bills active CPU onlyMicroVM22 regions$0.217per hourAmazon Bedrock AgentCore Runtime
Hosts AI agents on AWS and runs each user session in its own microVM.Bills active CPU onlyMicroVM22 regions$0.217per hour
OpenPond Sandboxes
Isolated cloud sandboxes for agent work, controlled from a TypeScript SDK.FirecrackerCan be forked into a new sandboxFree plan with limited monthly usage, 1 sandbox at a time$0.238per hour
Microsoft Foundry hosted agents
Runs your AI agent code on Azure, with each session in its own microVM.MicroVM31 regions$0.246per hourAWS Lambda MicroVMs
Serverless microVMs on AWS that suspend when idle.FirecrackerImage snapshot of an initialized app14 regions$0.252per hour
Deno Sandbox
Linux microVMs for running untrusted and generated code.Bills active CPU onlyFirecrackerRead-only images made from volumes$0.300per hour
Islo Machines
Persistent microVM computers for coding agents.MicroVMStarting credit, no card required$0.300per hour
$0.317per hour
$0.341per hour
Vercel Sandbox
Isolated Linux microVMs for running untrusted code.Bills active CPU onlyFirecrackerExpire 30 days after last use by default$0.341per hour
Depot Sandboxes
Linux microVMs for code, tests and agents, made and run from a Node.js SDK.MicroVMSaves files in the home directory and /workspace, not memory or processes. Up to 25 GiB7-day free trial, no credit card$0.360per hour
Maritime
Hosting for persistent AI agents and Linux desktops, each in its own micro-VM.DesktopFirecracker3 agents, foreverNot listedper hour
Nebius Sandboxes
Sandboxes for AI agents that branch from any checkpoint.MicroVMSaves filesystem state as an image, not running processes.SOC 2 Type IINot listedper hour
RemoteHost
Persistent, hardware-isolated microVMs for coding agents.Firecracker3 regions7-day free trialNot listedper hour
Not listedper hour
Side by side
Shellbox first, then the 59 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- Firecracker
- vCPU / hr
- $0.010
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.001
- Free tier
- $5 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.007
- Free tier
- $25 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.008
- Free tier
- 7-day trial
- Isolation
- MicroVM
- vCPU / hr
- $0.014
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.015
- Free tier
- $5 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.025
- Free tier
- Not listed
- Isolation
- Cloud Hypervisor
- vCPU / hr
- $0.017
- Free tier
- Free plan
- Isolation
- MicroVM
- vCPU / hr
- $0.018
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.022
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.025
- Free tier
- 100 free hours
- Isolation
- MicroVM
- vCPU / hr
- $0.020
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.030
- Free tier
- Free tier, no credit card
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $1 / month
- Isolation
- MicroVM
- vCPU / hr
- $0.035
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.025
- Free tier
- $50 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.036
- Free tier
- 500 free credits
- Isolation
- Firecracker
- vCPU / hr
- $0.060
- Free tier
- Free plan
- Isolation
- Firecracker
- vCPU / hr
- $0.044
- Free tier
- $5 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.040
- Free tier
- Free demo
- Isolation
- Firecracker
- vCPU / hr
- $0.040
- Free tier
- $30 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.040
- Free tier
- $1 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.070
- Free tier
- $25 credit, one time
- Isolation
- Firecracker
- vCPU / hr
- $0.040
- Free tier
- 30 days of Pro
- Isolation
- Firecracker
- vCPU / hr
- $0.045
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.047
- Free tier
- $30 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.039
- Free tier
- $30 trial credit
- Isolation
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- Free plan
- Isolation
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- MicroVM
- vCPU / hr
- Included
- Free tier
- Credit of up to $200
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $200 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $50 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- Free during public preview
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $5 to start, plus $95 when you add billing
- Isolation
- Firecracker
- vCPU / hr
- $0.051
- Free tier
- Not listed
- Isolation
- Cloud Hypervisor
- vCPU / hr
- $0.053
- Free tier
- $3 / mo credit
- Isolation
- Firecracker
- vCPU / hr
- $0.054
- Free tier
- $5.40 / month
- Isolation
- Firecracker
- vCPU / hr
- $0.072
- Free tier
- None
- Isolation
- MicroVM
- vCPU / hr
- Included
- Free tier
- None
- Isolation
- Firecracker
- vCPU / hr
- $0.058
- Free tier
- 8 LSU a month
- Isolation
- Firecracker
- vCPU / hr
- $0.070
- Free tier
- Free plan, $0 forever
- Isolation
- MicroVM
- vCPU / hr
- $0.086
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.090
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.090
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.072
- Free tier
- Free plan
- Isolation
- MicroVM
- vCPU / hr
- $0.099
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.100
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.100
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.070
- Free tier
- Credits to start
- Isolation
- MicroVM
- vCPU / hr
- $0.108
- Free tier
- $50 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.128
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.128
- Free tier
- 5 CPU-hrs / mo
- Isolation
- MicroVM
- vCPU / hr
- $0.180
- Free tier
- 7-day trial
- Isolation
- Firecracker
- vCPU / hr
- Not listed
- Free tier
- 3 agents, forever
- Isolation
- MicroVM
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- Not listed
- Free tier
- 7-day trial
- Isolation
- Firecracker
- vCPU / hr
- Not listed
- Free tier
- Hobby plan, free forever