Bunny Sandbox vs Smol Machines

Bunny Sandbox costs $0.02 per vCPU-hour and Smol Machines costs $0.05 per vCPU-hour. Bunny Sandbox runs gVisor and has no session limit. Smol Machines runs microVMs.

Updated Oct 15, 2026

Bunny Sandbox

Isolated cloud sandboxes for AI agents, run on gVisor.

Isolation: gVisor
Free tier: Not listed
Max session: No limit

Visit site Bunny Sandbox profile

Smol Machines

Hosted Linux microVMs with their own kernel, for agents and untrusted code.

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

Visit site Smol Machines profile

What is different

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

Field

Bunny Sandbox

Smol Machines

vCPU, per hour: Bunny Sandbox: $0.02; Smol Machines: $0.05
RAM, per GiB-hour: Bunny Sandbox: $0.005; Smol Machines: $0.0162
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Smol Machines: $0.0001 per GiB-hour
Isolation: Bunny Sandbox: gVisor; Smol Machines: MicroVM
SDKs: Bunny Sandbox: JavaScript / TypeScript; Smol Machines: TypeScript, Python, Rust

Full comparison

18 fields, at each provider's list price

Bunny Sandboxbunny.net/blog/introducing-bunny-sandbox-a-disposable-room-where-ai-can-buildbunny.net

Smol Machinessmolmachines.com/pricingsmolmachines.com

Pricing

vCPU, per hour: Bunny Sandbox: $0.02; Smol Machines: $0.05
RAM, per GiB-hour: Bunny Sandbox: $0.005; Smol Machines: $0.0162
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Smol Machines: $0.0001 per GiB-hour
Free tier: Bunny Sandbox: Not listed; Smol Machines: $100 credit, one time
Paid plan from: Bunny Sandbox: Pay as you go; Smol Machines: Pay as you go
Billing: Bunny Sandbox: Active CPU time only; Smol Machines: Active CPU time only

Limits

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

Platform

Isolation: Bunny Sandbox: gVisor; Smol Machines: MicroVM
GPU: Bunny Sandbox: Not listed; Smol Machines: No
Snapshots: Bunny Sandbox: Not listed; Smol Machines: No
Pause and resume: Bunny Sandbox: Not listed; Smol Machines:

Developer

SDKs: Bunny Sandbox: JavaScript / TypeScript; Smol Machines: TypeScript, Python, Rust
Integrations: Bunny Sandbox: Claude Code; Smol Machines: Not listed

Trust

License: Bunny Sandbox: Not listed; Smol Machines: Apache-2.0
BYOC: Bunny Sandbox: Not listed; Smol Machines: Not listed

Hourly cost

One sandbox running for one hour

Size

Bunny Sandbox

Smol Machines

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

Compute only, at list rates.

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Which one fits

Based on the fields above

Bunny Sandbox fits when

You use Claude Code.
You want the lower list price: $0.060 against $0.165 an hour for 2 vCPU and 4 GiB.

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 need pause and resume.

More comparisons

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Bunny Sandbox

Smol Machines

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Bunny Sandbox fits when

Smol Machines fits when

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