Open-source Anthropic Code Execution alternatives
10 open-source sandbox providers you can use instead of Anthropic Code Execution. Celesto Cloud has the lowest hourly price, $0.030 for 2 vCPU and 4 GiB.
Updated
Anthropic Code Execution, for reference
Anthropic Code ExecutionSandboxed Python and bash containers that Claude runs through the Anthropic API.
IsolationContainer
2 vCPU · 4 GiB$0.100 / hr
Free tier1,550 hours / month
Max sessionNot listed
10 open-source alternatives to Anthropic Code Execution
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$5 credit, valid 30 days after signup$0.133per 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
Smol Machines
Hosted Linux microVMs with their own kernel, for agents and untrusted code.Bills active CPU onlyMicroVMNot in the cloud API. Use branch or export instead.$0.165per hour
$0.166per hour
PandaStack Sandbox
Firecracker microVM sandboxes for AI agents.Bills active CPU onlyNo session limitFirecracker$0.173per hour
Not listedper hour
Side by side
Anthropic Code Execution first, then the 10 alternatives
Provider
Isolation
vCPU / hr
GiB / hr
Free tier
Max session
GPU
- Isolation
- Container
- vCPU / hr
- $0.050
- Free tier
- 1,550 hours / month
- 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
- MicroVM
- vCPU / hr
- $0.050
- Free tier
- $100 credit
- 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
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Container sandboxes
Sandboxes with pause and resume