Self-hosted LangSmith Sandboxes alternatives
13 self-hosted sandbox providers you can use instead of LangSmith Sandboxes. Containarium Cloud has the lowest hourly price, $0.040 for 2 vCPU and 4 GiB.
Updated
LangSmith Sandboxes, for reference
LangSmith SandboxesIsolated sandboxes for running agent-generated code.
IsolationFirecracker
2 vCPU · 4 GiB$0.189 / hr
Free tier8 LSU a month
Max sessionNot listed
13 self-hosted alternatives to LangSmith Sandboxes
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
BoxLite Cloud
Hosted microVM boxes for AI agents, with an SDK.MicroVMLower vCPU priceDisabled on Cloud$0.158per hour
microsandbox cloud
Hosted microVM sandboxes for AI agents and untrusted code.MicroVMLower vCPU priceDisk only, from stopped persistent sandboxes$0.165per hour
Declaw
Firecracker microVM sandboxes for AI agents.FirecrackerLower vCPU price$100 sandbox credit, one time$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
Not listedper hour
Not listedper hour
Vers
Linux computers you can branch, checkpoint, and restore.Full VMLower vCPU priceCommits and checkpointsNot listedper hour
Side by side
LangSmith Sandboxes first, then the 13 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- Firecracker
- vCPU / hr
- $0.058
- Free tier
- 8 LSU a month
- 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
- 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
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