Open-source Agent Sandbox alternatives
7 open-source sandbox providers you can use instead of Agent Sandbox. Celesto Cloud has the lowest hourly price, $0.030 for 2 vCPU and 4 GiB.
Updated
Agent Sandbox, for reference
Agent SandboxHosted API that runs Python and shell code for AI agents.
IsolationContainer
2 vCPU · 4 GiBNot listed
Free tier$10 credit
Max sessionNot listed
7 open-source alternatives to Agent Sandbox
Sorted by hourly price for 2 vCPU · 4 GiB, low to high
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Celesto Cloud
Cloud computers for AI agents, each in a microVM.DesktopMicroVMSnapshot and resume keep processes intact$0.030per hour
$0.040per hour
Sandbox0
Long-running agent sandboxes with durable storage.Bills on memory onlyNo session limitgVisor$0.060per hour
$0.158per 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
$0.166per hour
PandaStack Sandbox
Firecracker microVM sandboxes for AI agents.Bills active CPU onlyNo session limitFirecracker$0.173per hour
Side by side
Agent Sandbox first, then the 7 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- $10 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.015
- Free tier
- $5 credit
- Isolation
- Container
- vCPU / hr
- $0.020
- Free tier
- Free tier
- Isolation
- gVisor
- vCPU / hr
- Included
- Free tier
- Not listed
- Isolation
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- Free plan
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- Isolation
- Firecracker
- vCPU / hr
- $0.054
- Free tier
- $5.40 / month
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