Sailboxes vs Smol Machines
Sailboxes costs $0.015 per vCPU-hour and Smol Machines costs $0.05 per vCPU-hour. Sailboxes runs full VMs and has no session limit. Smol Machines runs microVMs.
Updated
Sailboxes
- Isolation
- Full VM
- Free tier
- $5 credit every month
- Max session
- No limit
Smol Machines
- Isolation
- MicroVM
- Free tier
- $100 credit, one time
- Max session
- Not listed
What is different
10 fields differ. The rest are the same or not listed.
Sailboxes
Smol Machines
- vCPU, per hour
- Sailboxes: $0.015
- Smol Machines: $0.05
- RAM, per GiB-hour
- Sailboxes: $0.008
- Smol Machines: $0.0162
- Storage
- Sailboxes: $0.0007 per GiB-hour
- Smol Machines: $0.0001 per GiB-hour
- Free tier
- Sailboxes: $5 credit every month
- Smol Machines: $100 credit, one time
- Billing
- Sailboxes: Per second
- Smol Machines: Active CPU time only
- Largest sandbox
- Sailboxes: 8 vCPU · 256 GiB
- Smol Machines: 32 vCPU · 32 GiB
- Concurrent sandboxes
- Sailboxes: Up to 5,000
- Smol Machines: Up to 1,000
- Isolation
- Sailboxes: Full VM
- Smol Machines: MicroVM
- Snapshots
- Sailboxes:
- Smol Machines: No
- SDKs
- Sailboxes: Python, TypeScript, Rust
- Smol Machines: TypeScript, Python, Rust
Full comparison
18 fields, at each provider's list price
Sailboxesdocs
Smol Machinessmolmachines
Pricing
- vCPU, per hour
- Sailboxes: $0.015
- Smol Machines: $0.05
- RAM, per GiB-hour
- Sailboxes: $0.008
- Smol Machines: $0.0162
- Storage
- Sailboxes: $0.0007 per GiB-hour
- Smol Machines: $0.0001 per GiB-hour
- Free tier
- Sailboxes: $5 credit every month
- Smol Machines: $100 credit, one time
- Paid plan from
- Sailboxes: Pay as you go
- Smol Machines: Pay as you go
- Billing
- Sailboxes: Per second
- Smol Machines: Active CPU time only
Limits
- Max session
- Sailboxes: No limit
- Smol Machines: Not listed
- Idle stop
- Sailboxes: Not listed
- Smol Machines: Not listed
- Largest sandbox
- Sailboxes: 8 vCPU · 256 GiB
- Smol Machines: 32 vCPU · 32 GiB
- Concurrent sandboxes
- Sailboxes: Up to 5,000
- Smol Machines: Up to 1,000
Platform
- Isolation
- Sailboxes: Full VM
- Smol Machines: MicroVM
- GPU
- Sailboxes: Not listed
- Smol Machines: No
- Snapshots
- Sailboxes:
- Smol Machines: No
- Pause and resume
- Sailboxes:
- Smol Machines:
Developer
- SDKs
- Sailboxes: Python, TypeScript, Rust
- Smol Machines: TypeScript, Python, Rust
- Integrations
- Sailboxes: Claude Code
- Smol Machines: Not listed
Trust
- License
- Sailboxes: Not listed
- Smol Machines: Apache-2.0
- BYOC
- Sailboxes: Not listed
- Smol Machines: Not listed
Hourly cost
One sandbox running for one hour
Sailboxes
Smol Machines
- 1 vCPU · 2 GiB
- Sailboxes: $0.031
- Smol Machines: $0.082
- 2 vCPU · 4 GiB
- Sailboxes: $0.062
- Smol Machines: $0.165
- 4 vCPU · 8 GiB
- Sailboxes: $0.124
- Smol Machines: $0.330
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Sailboxes fits when
- You want each sandbox to be a full VM.
- You use Claude Code.
- You want the lower list price: $0.062 against $0.165 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
Smol Machines fits when
- You want each sandbox in its own microVM.
- You want an open-source platform (Apache-2.0) that you can self-host.
- You want the larger free credit: $100 against $5.
- Your code waits a lot: CPU is billed only while it is in use.
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