Open-source Smol Machines alternatives
9 open-source sandbox providers you can use instead of Smol Machines. microsandbox cloud has the same list price. Celesto Cloud has the lowest hourly price, $0.030 for 2 vCPU and 4 GiB.
Updated
Smol Machines, for reference
Smol MachinesHosted Linux microVMs with their own kernel, for agents and untrusted code.
IsolationMicroVM
2 vCPU · 4 GiB$0.165 / hr
Free tier$100 credit
Max sessionNot listed
9 open-source alternatives to Smol Machines
Sorted by hourly price for 2 vCPU · 4 GiB, low to high
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$0.030per hour
Containarium Cloud
Hosted Linux boxes for AI agents, reached over SSH.ContainerLower vCPU priceFree tier$0.040per hour
Sandbox0
Long-running agent sandboxes with durable storage.Bills on memory onlyNo session limitgVisor$0.060per hour
Everstack
Open-source platform that runs isolated sandboxes for AI agents.DesktopSnapshots and templates$0.133per hour
BoxLite Cloud
Hosted microVM boxes for AI agents, with an SDK.MicroVMLower RAM priceDisabled on Cloud$0.158per hour
microsandbox cloud
Hosted microVM sandboxes for AI agents and untrusted code.Same list priceMicroVMDisk only, from stopped persistent sandboxes$0.165per hour
$0.166per hour
PandaStack Sandbox
Firecracker microVM sandboxes for AI agents.No session limitFirecracker$5.40 usage credit every month$0.173per hour
Not listedper hour
Side by side
Smol Machines first, then the 9 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- $100 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
- Not listed
- vCPU / hr
- $0.067
- Free tier
- $5 credit
- 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
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- None