Shardflux alternatives
92 sandbox providers you can use instead of Shardflux. Agent37 Cloud has the lowest hourly price, $0.006 for 2 vCPU and 4 GiB.
Updated
Shardflux, for reference
ShardfluxServerless VMs for cloud agents that park when idle and keep their state.
IsolationFirecracker
2 vCPU · 4 GiB$0.140 / hr
Free tier30 days of Pro
Max sessionNot listed
92 alternatives to Shardflux
Sorted by hourly price for 2 vCPU · 4 GiB, low to high
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Agent37 Cloud
Persistent Linux sandboxes and VMs for code and agents.Lowest hourly priceNo session limitgVisor$0.006per hour
$0.010per hour
Lizard Sandboxes
Firecracker microVM sandboxes for AI agents.No session limitFirecrackerLower vCPU price$0.016per hour
$0.018per hour
$0.029per hour
Celesto Cloud
Cloud computers for AI agents, each in a microVM.MicroVMLower vCPU priceSnapshot and resume keep processes intact$0.030per hour
Containarium Cloud
Hosted Linux boxes for AI agents, reached over SSH.ContainerLower vCPU priceFree tier$0.040per hour
$0.045per hour
Mosaic Sandbox
Linux microVM sandboxes for coding agents.FirecrackerLower vCPU priceRestore sandboxes from a saved snapshot.$0.050per hour
Bunny Sandbox
Isolated cloud sandboxes for AI agents, run on gVisor.No session limitgVisorLower vCPU price$0.060per hour
Sandbox0
Long-running agent sandboxes with durable storage.Bills on memory onlyNo session limitgVisor$0.060per hour
$0.062per hour
Northflank Sandboxes
MicroVM sandboxes for running untrusted code.No session limitMicroVMLower vCPU price$0.067per hour
DigitalOcean MicroVMs
Lightweight virtual machines that run a container image in their own kernel and pause when idle.FirecrackerLower vCPU priceCheckpoints save memory and disk$0.078per hour
Vers
Linux computers you can branch, checkpoint, and restore.Full VMCommits and checkpointsStarting credit$0.080per hour
Prime Sandboxes
Isolated microVM sandboxes for AI agents and RL.No session limitMicroVMLower vCPU price$0.090per hour
$0.090per hour
Oblien Workspace
Hosted microVM workspaces for AI agents.FirecrackerLower vCPU priceMemory snapshots keep RAM and processes. Disk archives are separate.$0.092per hour
$0.099per hour
Anthropic Code Execution
Sandboxed Python and bash containers that Claude runs through the Anthropic API.Container1,550 free hours per month$0.100per hour
$0.100per hour
ix
Cloud VMs with up to 100 vCPUs, billed by usage.Full VMLower vCPU priceKeeps memory, disk and devices$0.101per hour
BytePlus AI Cloud Native Sandbox
Isolated microVM sandboxes for AI inference, reinforcement learning and model evaluation.MicroVMLower vCPU price$0.103per hour
$0.105per hour
$0.110per hour
Novita Sandbox
Cloud sandboxes for AI agents to run code and browsers.Lower vCPU price2 regions$100 promotional credit$0.117per hour
CreateOS Sandbox
Hosted Firecracker microVM sandboxes for AI agents.No session limitFirecrackerLower vCPU price$0.119per hour
Caged
Isolated microVM sandboxes that record every agent action.FirecrackerFree plan, 5 sandboxes a day$0.120per hour
$0.120per hourDigitalOcean Harness Runtime
Managed microVM sandboxes for AI agents and their code.FirecrackerLower RAM priceSnapshots and checkpoints, $0.05 per GiB-month$0.126per hour
Collimate
Live-fork microVM sandboxes for RL post-training and coding agents.FirecrackerLower RAM priceDemo key, free with no card$0.128per hour
Freestyle VMs
Full Linux virtual machines for AI agents.Full VMLower RAM price10 on Free, 1,000 on Hobby, 12,000 on Pro$0.132per hour
Everstack
Open-source platform that runs isolated sandboxes for AI agents.Snapshots and templates$5 credit, valid 30 days after signup$0.133per hour
Docker Sandboxes
Cloud microVM sandboxes for coding agents, run by Docker.MicroVMManaged through the API$25 credit, one time$0.140per hour
Together Sandbox
Isolated runtime environments for code from AI agents.FirecrackerLower RAM priceSnapshot on termination keeps state$0.149per hour
Dedalus Machines
Linux virtual machines for AI agents that sleep when idle.Full VMLower RAM price$20 one-time sign-up credit$0.149per hour
MIOSA
Cloud sandboxes and persistent computers that AI agents use to build and run software.FirecrackerLower RAM price$10 credit, one time$0.149per hour
$0.150per hour
Hyperbrowser Sandboxes
Isolated cloud VMs that run commands for AI agents.Full VMMemory snapshots$5 credit (5,000 credits) on the Free plan$0.150per hour
BoxLite Cloud
Hosted microVM boxes for AI agents, with an SDK.MicroVMLower RAM priceDisabled on Cloud$0.158per hour
Fly.io Sprites
Persistent Linux computers that sleep when idle.FirecrackerLower vCPU priceCheckpoints$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.MicroVMNot in the cloud API. Use branch or export instead.$100 credit, one time$0.165per hour
Blaxel
Sandboxes that pause when idle and resume with state.Bills on memory onlyNo session limitMicroVM$0.166per hour
$0.166per hour
$0.166per hour
E2B
Open-source sandbox platform that gives AI agents isolated machines.Firecracker4 regions$100 credit, one time$0.166per hour
HopX
Firecracker microVM sandboxes for AI agents.No session limitFirecrackerCapture with the hopx CLI$0.166per hour
InstaVM
Hardware-isolated microVMs for AI agent code.FirecrackerFork any sandbox, rewind any run$50 credit$0.166per hour
Leap0
Firecracker microVM sandboxes for running untrusted code.FirecrackerMemory and disk state1 regions$0.166per hour
Runta
Isolated computers where AI agents work and keep state.Checkpoints restore into new runtimes$50 free credit$0.166per hour
Superserve
Firecracker microVM sandboxes that pause and resume.No session limitFirecracker$5 to start, plus $95 when you add billing$0.166per hour
Tenki Sandbox
Disposable Linux VMs for AI agents, driven by SDK or CLI.Full VMDisk and memory$100 credit, one time$0.166per hour
$0.166per hour
PandaStack Sandbox
Firecracker microVM sandboxes for AI agents.No session limitFirecracker$5.40 usage credit every month$0.173per hour
Cloudflare Sandbox
Linux sandboxes that run untrusted or generated code, driven from a Worker.FirecrackerLower RAM pricePublic beta. A snapshot expires 30 days after it is created or last restored$0.180per hour
LangSmith Sandboxes
Isolated sandboxes for running agent-generated code.FirecrackerFrom Docker images or running sandboxes4 regions$0.189per hour
$0.200per hour
Tensorlake Sandboxes
MicroVM sandboxes for AI agents and AI-generated code.No session limitMicroVMFree plan, $0 forever$0.200per hour
Upstash Box
Isolated cloud containers that give AI agents a computer.Container1 regionsFree plan, 5 CPU hours per month$0.200per hour
Gemini Enterprise Agent Platform Code Execution
Managed sandboxes that run code for AI agents.ContainerLower RAM priceNot for Code Execution sandboxes$0.206per hour
Azure Container Apps Sandboxes
Isolated microVM sandboxes that start on demand.MicroVMLower RAM priceMemory and disk$0.216per hour
Amazon Bedrock AgentCore Code Interpreter
Managed code sandboxes for AI agents on AWS.MicroVMLower RAM priceSOC 2$0.217per hour
Beam Sandboxes
Isolated, secure environments for running untrusted code at scale.No session limitContainerFilesystem or live memory$0.227per hour
Modal
Serverless compute with sandboxes and GPUs.gVisorFilesystem and memory snapshots. Memory snapshots are experimental.$30 credit every month$0.238per hourAWS Lambda MicroVMs
Serverless microVMs on AWS that suspend when idle.FirecrackerLower RAM priceImage snapshot of an initialized app$0.252per hour
Deno Sandbox
Linux microVMs for running untrusted and generated code.FirecrackerRead-only images made from volumes2 regions$0.300per hour
Islo Sandboxes
Persistent microVM computers for coding agents.MicroVMStarting credit, no card required$0.300per hour
$0.317per hour
Sendblue Sandboxes
Isolated cloud Linux machines that AI agents control over an HTTP API.Container$100 free compute, once per phone number$0.330per hour
CoreWeave Sandboxes
Isolated environments for running untrusted code.MicroVMFile system snapshots, restore into new sandboxes$0.341per hour
Vercel Sandbox
Isolated Linux microVMs for running untrusted code.Firecracker19 regions5 CPU-hours every month$0.341per hour
OpenAI Code Interpreter
Sandboxed containers where OpenAI models write and run Python code.Bills on memory onlyContainer$0.360per hour
boxes.dev
Cloud computers for Claude Code and Codex.Files and memory of the Template boxTrial, $0, 20 hours of compute included$0.375per hour
Railway Sandboxes
Isolated Linux VMs you create on demand and destroy.Full VMDisk only. Processes and memory are not kept.4 regions$0.417per hour
Agent Sandbox
Hosted API that runs Python and shell code for AI agents.Container$10 credit with a Google sign-inNot listedper hourAlibaba Cloud Agent Sandbox
Managed microVM sandboxes for AI agent workloads.MicroVMCheckpoint and restore of memory stateNot listedper hourAzure Container Apps dynamic sessions
Isolated sandbox sessions for running code on Azure.Full VM38 regionsNot listedper hour
Not listedper hour
Not listedper hour
Not listedper hour
Maritime
Hosting for persistent AI agents and Linux desktops, each in its own micro-VM.Firecracker3 agents, foreverNot listedper hour
Nebius Sandboxes
Sandboxes for AI agents that branch from any checkpoint.MicroVMSaves filesystem state as an image, not running processes.Not listedper hour
OmniRun
Sandboxes on Firecracker microVMs, self-hosted or managed.FirecrackerUser snapshots planned for v0.21 regionsNot listedper hour
Orgo
Cloud Linux and Windows desktops that AI agents control by API or MCP.No session limitFull VMClone a computer, or launch from a template snapshotNot listedper hour
Perplexity Sandbox
Isolated Linux containers that run Python and bash code inside a Perplexity Agent API request.ContainerNot listedper hour
Phonebox
Cloud Android phones that AI agents control through their screens.$2 starter credit, one time, no cardNot listedper hour
Qiniu Cloud Sandbox
Sandbox service with an E2B-compatible API that runs AI agent code in isolated cloud environments.2 regionsNot listedper hour
Not listedper hour
Not listedper hour
Unikraft Cloud
MicroVM sandboxes that start in under 10 ms.FirecrackerSnapshot history and rollback on Pro5 regionsNot listedper hour
Not listedper hour
Side by side
Shardflux first, then the 92 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- Firecracker
- vCPU / hr
- $0.040
- Free tier
- 30 days of Pro
- Isolation
- gVisor
- vCPU / hr
- $0.001
- Free tier
- $5 credit
- Isolation
- Full VM
- vCPU / hr
- $0.005
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.008
- Free tier
- 7-day trial
- Isolation
- Full VM
- vCPU / hr
- $0.009
- Free tier
- Free trial with 25 hours
- Isolation
- MicroVM
- vCPU / hr
- $0.014
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.015
- Free tier
- $5 credit
- Isolation
- Container
- vCPU / hr
- $0.020
- Free tier
- Free tier
- Isolation
- Full VM
- vCPU / hr
- $0.012
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.025
- Free tier
- Not listed
- Isolation
- gVisor
- vCPU / hr
- $0.020
- Free tier
- Not listed
- Isolation
- gVisor
- vCPU / hr
- Included
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- $0.015
- Free tier
- $5 credit each month
- Isolation
- MicroVM
- vCPU / hr
- $0.017
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.022
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- $0.040
- Free tier
- Starting credit
- Isolation
- MicroVM
- vCPU / hr
- $0.020
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- $0.045
- Free tier
- $5 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.030
- Free tier
- Free tier, no credit card
- Isolation
- Container
- vCPU / hr
- $0.027
- Free tier
- Free Basic plan
- Isolation
- Container
- vCPU / hr
- $0.050
- Free tier
- 1,550 hours / month
- Isolation
- Full VM
- vCPU / hr
- $0.050
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- $0.029
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.035
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- $0.053
- Free tier
- 7-day trial with a paid ChatGPT subscription
- Isolation
- MicroVM
- vCPU / hr
- $0.025
- Free tier
- $50 credit
- Isolation
- Not listed
- vCPU / hr
- $0.035
- Free tier
- $100 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.036
- Free tier
- 500 free credits
- Isolation
- Firecracker
- vCPU / hr
- $0.060
- Free tier
- Free plan
- Isolation
- Full VM
- vCPU / hr
- $0.060
- Free tier
- 30-day free trial
- Isolation
- Firecracker
- vCPU / hr
- $0.044
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.040
- Free tier
- Free demo
- Isolation
- Full VM
- vCPU / hr
- $0.040
- Free tier
- Free plan
- Isolation
- Not listed
- vCPU / hr
- $0.067
- Free tier
- $5 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.070
- Free tier
- $25 credit, one time
- Isolation
- Firecracker
- vCPU / hr
- $0.045
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- $0.045
- Free tier
- $20 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.045
- Free tier
- $10 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.047
- Free tier
- $30 credit
- Isolation
- Full VM
- vCPU / hr
- $0.045
- Free tier
- 5,000 credits
- 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
- Container
- vCPU / hr
- $0.050
- Free tier
- $200 free compute
- 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
- Not listed
- vCPU / hr
- $0.050
- Free tier
- $50 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $5 to start, plus $95 when you add billing
- Isolation
- Full VM
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.051
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.054
- Free tier
- $5.40 / month
- Isolation
- Firecracker
- vCPU / hr
- $0.072
- Free tier
- None
- Isolation
- Firecracker
- vCPU / hr
- $0.058
- Free tier
- 8 LSU a month
- Isolation
- Full VM
- vCPU / hr
- $0.100
- Free tier
- $10 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.070
- Free tier
- Free plan, $0 forever
- Isolation
- Container
- vCPU / hr
- $0.100
- Free tier
- 5 CPU hours per month
- Isolation
- Container
- vCPU / hr
- $0.085
- Free tier
- 50 vCPU-hours and 100 GiB-hours free per month
- Isolation
- MicroVM
- vCPU / hr
- $0.086
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.090
- Free tier
- Not listed
- Isolation
- Container
- vCPU / hr
- $0.068
- Free tier
- Not listed
- Isolation
- gVisor
- vCPU / hr
- $0.071
- Free tier
- $30 / month
- 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
- Container
- vCPU / hr
- $0.165
- Free tier
- $100 free compute
- Isolation
- MicroVM
- vCPU / hr
- $0.128
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.128
- Free tier
- 5 CPU-hrs / mo
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Not listed
- vCPU / hr
- $0.188
- Free tier
- 20 free hours
- Isolation
- Full VM
- vCPU / hr
- $0.069
- Free tier
- $5 credit
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- $10 credit
- Isolation
- MicroVM
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- gVisor
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Full VM
- vCPU / hr
- Not listed
- Free tier
- €1.00 trial credit
- 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
- Not listed
- Isolation
- Full VM
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Not listed
- vCPU / hr
- Not listed
- Free tier
- $2 credit
- Isolation
- Not listed
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- Not listed
- Free tier
- 7-day trial
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- None
- Isolation
- Firecracker
- vCPU / hr
- Not listed
- Free tier
- Hobby plan, free forever
- Isolation
- Not listed
- vCPU / hr
- Not listed
- Free tier
- Free plan