Self-hosted Mosaic Sandbox alternatives
14 self-hosted sandbox providers you can use instead of Mosaic Sandbox. Containarium Cloud has the lowest hourly price, $0.040 for 2 vCPU and 4 GiB.
Updated
Mosaic Sandbox, for reference
Mosaic SandboxLinux microVM sandboxes for coding agents.
IsolationFirecracker
2 vCPU · 4 GiB$0.050 / hr
Free tierNot listed
Max sessionNot listed
14 self-hosted alternatives to Mosaic Sandbox
Sorted by hourly price for 2 vCPU · 4 GiB, low to high
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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
$0.150per 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
$0.166per hour
$0.166per hour
$0.166per hour
PandaStack Sandbox
Firecracker microVM sandboxes for AI agents.Bills active CPU onlyNo session limitFirecracker$0.173per hour
LangSmith Sandboxes
Isolated sandboxes for running agent-generated code.FirecrackerFrom Docker images or running sandboxes4 regions$0.189per hour
Not listedper hour
Not listedper hour
Vers
Linux computers you can branch, checkpoint, and restore.Full VMCommits and checkpointsStarting creditNot listedper hour
Side by side
Mosaic Sandbox first, then the 14 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- Firecracker
- vCPU / hr
- $0.025
- Free tier
- Not listed
- Isolation
- Container
- vCPU / hr
- $0.020
- Free tier
- Free tier
- Isolation
- gVisor
- vCPU / hr
- Included
- 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
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- Free plan
- 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
- Free during public preview
- Isolation
- Firecracker
- vCPU / hr
- $0.050
- Free tier
- Not listed
- Isolation
- Firecracker
- vCPU / hr
- $0.054
- Free tier
- $5.40 / month
- Isolation
- Firecracker
- vCPU / hr
- $0.058
- Free tier
- 8 LSU a month
- Isolation
- Firecracker
- vCPU / hr
- Not listed
- Free tier
- Not listed
- Isolation
- Container
- vCPU / hr
- Not listed
- Free tier
- None
- Isolation
- Full VM
- vCPU / hr
- $0.040
- Free tier
- Starting credit