Sandbox0 vs Smol Machines

Sandbox0 bills memory only, at $0.015 per GiB-hour. Smol Machines costs $0.05 per vCPU-hour. Sandbox0 runs gVisor and has no session limit. Smol Machines runs microVMs.

Updated

Sandbox0

Isolation
gVisor
Free tier
Not listed
Max session
No limit

Smol Machines

Isolation
MicroVM
Free tier
$100 credit, one time
Max session
Not listed

What is different

8 fields differ. The rest are the same or not listed.

Sandbox0
Smol Machines
vCPU, per hour
Sandbox0: Included
Smol Machines: $0.05
RAM, per GiB-hour
Sandbox0: $0.015
Smol Machines: $0.0162
Storage
Sandbox0: Free
Smol Machines: $0.0001 per GiB-hour
Billing
Sandbox0: Memory only
Smol Machines: Active CPU time only
Concurrent sandboxes
Sandbox0: Up to 20
Smol Machines: Up to 1,000
Isolation
Sandbox0: gVisor
Smol Machines: MicroVM
Snapshots
Sandbox0:
Smol Machines: No
SDKs
Sandbox0: Go, Python, TypeScript
Smol Machines: TypeScript, Python, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Sandbox0: Included
Smol Machines: $0.05
RAM, per GiB-hour
Sandbox0: $0.015
Smol Machines: $0.0162
Storage
Sandbox0: Free
Smol Machines: $0.0001 per GiB-hour
Free tier
Sandbox0: Not listed
Smol Machines: $100 credit, one time
Paid plan from
Sandbox0: Pay as you go
Smol Machines: Pay as you go
Billing
Sandbox0: Memory only
Smol Machines: Active CPU time only

Limits

Max session
Sandbox0: No limit
Smol Machines: Not listed
Idle stop
Sandbox0: Not listed
Smol Machines: Not listed
Largest sandbox
Sandbox0: Not listed
Smol Machines: 32 vCPU · 32 GiB
Concurrent sandboxes
Sandbox0: Up to 20
Smol Machines: Up to 1,000

Platform

Isolation
Sandbox0: gVisor
Smol Machines: MicroVM
GPU
Sandbox0: Not listed
Smol Machines: No
Snapshots
Sandbox0:
Smol Machines: No
Pause and resume
Sandbox0:
Smol Machines:

Developer

SDKs
Sandbox0: Go, Python, TypeScript
Smol Machines: TypeScript, Python, Rust
Integrations
Sandbox0: LangChain, OpenAI Agents SDK
Smol Machines: Not listed

Trust

License
Sandbox0: Apache-2.0
Smol Machines: Apache-2.0
BYOC
Sandbox0: Not listed
Smol Machines: Not listed

Hourly cost

One sandbox running for one hour

Sandbox0
Smol Machines
1 vCPU · 2 GiB
Sandbox0: $0.030
Smol Machines: $0.082
2 vCPU · 4 GiB
Sandbox0: $0.060
Smol Machines: $0.165
4 vCPU · 8 GiB
Sandbox0: $0.120
Smol Machines: $0.330

Compute only, at list rates.

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Which one fits

Based on the fields above

Sandbox0 fits when

  • You use LangChain or the OpenAI Agents SDK.
  • You want the lower list price: $0.060 against $0.165 an hour for 2 vCPU and 4 GiB.
  • You need snapshots.
  • You want one rate for memory, with CPU included.

Smol Machines fits when

  • You want each sandbox in its own microVM.
  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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