Qiniu Cloud Sandbox vs Smol Machines

Smol Machines costs $0.05 per vCPU-hour. Qiniu Cloud Sandbox limits a session to 1 hour. Smol Machines runs microVMs.

Updated Oct 15, 2026

Qiniu Cloud Sandbox

Sandbox service with an E2B-compatible API that runs AI agent code in isolated cloud environments.

Isolation: Not listed
Free tier: Not listed
Max session: 1 hour

Visit site Qiniu Cloud 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

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

Field

Qiniu Cloud Sandbox

Smol Machines

Storage: Qiniu Cloud Sandbox: Free; Smol Machines: $0.0001 per GiB-hour
Billing: Qiniu Cloud Sandbox: Per second; Smol Machines: Active CPU time only
Largest sandbox: Qiniu Cloud Sandbox: 8 vCPU · 8 GiB; Smol Machines: 32 vCPU · 32 GiB
SDKs: Qiniu Cloud Sandbox: Go; Smol Machines: TypeScript, Python, Rust

Full comparison

18 fields, at each provider's list price

Qiniu Cloud Sandboxdeveloper.qiniu.com/las/13281/sandbox-overviewdeveloper.qiniu.com

Smol Machinessmolmachines.com/pricingsmolmachines.com

Pricing

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

Limits

Max session: Qiniu Cloud Sandbox: 1 hour; Smol Machines: Not listed
Idle stop: Qiniu Cloud Sandbox: Not listed; Smol Machines: Not listed
Largest sandbox: Qiniu Cloud Sandbox: 8 vCPU · 8 GiB; Smol Machines: 32 vCPU · 32 GiB
Concurrent sandboxes: Qiniu Cloud Sandbox: Not listed; Smol Machines: Up to 1,000

Platform

Isolation: Qiniu Cloud Sandbox: Not listed; Smol Machines: MicroVM
GPU: Qiniu Cloud Sandbox: Not listed; Smol Machines: No
Snapshots: Qiniu Cloud Sandbox: Not listed; Smol Machines: No
Pause and resume: Qiniu Cloud Sandbox:; Smol Machines:

Developer

SDKs: Qiniu Cloud Sandbox: Go; Smol Machines: TypeScript, Python, Rust
Integrations: Qiniu Cloud Sandbox: Not listed; Smol Machines: Not listed

Trust

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

Hourly cost

One sandbox running for one hour

Size

Qiniu Cloud Sandbox

Smol Machines

1 vCPU · 2 GiB: Qiniu Cloud Sandbox: Not listed; Smol Machines: $0.082
2 vCPU · 4 GiB: Qiniu Cloud Sandbox: Not listed; Smol Machines: $0.165
4 vCPU · 8 GiB: Qiniu Cloud Sandbox: Not listed; Smol Machines: $0.330

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.
You need a sandbox larger than 8 vCPU · 8 GiB.

More comparisons

See all comparisons

Qiniu Cloud Sandbox

Smol Machines

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Smol Machines fits when

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