Smol Machines vs Together Sandbox

Smol Machines costs $0.05 per vCPU-hour and Together Sandbox costs $0.0446 per vCPU-hour. Smol Machines runs microVMs. Together Sandbox runs Firecracker microVMs.

Updated Oct 15, 2026

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

Together Sandbox

Isolated runtime environments for code from AI agents.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: Not listed

Visit site Together Sandbox profile

What is different

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

Field

Smol Machines

Together Sandbox

vCPU, per hour: Smol Machines: $0.05; Together Sandbox: $0.0446
RAM, per GiB-hour: Smol Machines: $0.0162; Together Sandbox: $0.0149
Largest sandbox: Smol Machines: 32 vCPU · 32 GiB; Together Sandbox: 16 vCPU · 128 GiB
Isolation: Smol Machines: MicroVM; Together Sandbox: Firecracker microVM
Snapshots: Smol Machines: No; Together Sandbox:
SDKs: Smol Machines: TypeScript, Python, Rust; Together Sandbox: Python, TypeScript

Full comparison

18 fields, at each provider's list price

Smol Machinessmolmachines.com/pricingsmolmachines.com

Together Sandboxtogether.ai/pricingtogether.ai

Pricing

vCPU, per hour: Smol Machines: $0.05; Together Sandbox: $0.0446
RAM, per GiB-hour: Smol Machines: $0.0162; Together Sandbox: $0.0149
Storage: Smol Machines: $0.0001 per GiB-hour; Together Sandbox: Not listed
Free tier: Smol Machines: $100 credit, one time; Together Sandbox: Not listed
Paid plan from: Smol Machines: Pay as you go; Together Sandbox: Not listed
Billing: Smol Machines: Active CPU time only; Together Sandbox: Not listed

Limits

Max session: Smol Machines: Not listed; Together Sandbox: Not listed
Idle stop: Smol Machines: Not listed; Together Sandbox: Not listed
Largest sandbox: Smol Machines: 32 vCPU · 32 GiB; Together Sandbox: 16 vCPU · 128 GiB
Concurrent sandboxes: Smol Machines: Up to 1,000; Together Sandbox: Not listed

Platform

Isolation: Smol Machines: MicroVM; Together Sandbox: Firecracker microVM
GPU: Smol Machines: No; Together Sandbox: Not listed
Snapshots: Smol Machines: No; Together Sandbox:
Pause and resume: Smol Machines:; Together Sandbox:

Developer

SDKs: Smol Machines: TypeScript, Python, Rust; Together Sandbox: Python, TypeScript
Integrations: Smol Machines: Not listed; Together Sandbox: Not listed

Trust

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

Hourly cost

One sandbox running for one hour

Size

Smol Machines

Together Sandbox

1 vCPU · 2 GiB: Smol Machines: $0.082; Together Sandbox: $0.074
2 vCPU · 4 GiB: Smol Machines: $0.165; Together Sandbox: $0.149
4 vCPU · 8 GiB: Smol Machines: $0.330; Together Sandbox: $0.298

Compute only, at list rates.

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Which one fits

Based on the fields above

Smol Machines fits when

You want an open-source platform (Apache-2.0) that you can self-host.
Your code waits a lot: CPU is billed only while it is in use.

Together Sandbox fits when

You want the lower list price: $0.149 against $0.165 an hour for 2 vCPU and 4 GiB.
You need snapshots.

More comparisons

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Smol Machines

Together Sandbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Smol Machines fits when

Together Sandbox fits when

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