Islo Machines vs Shellbox

Islo Machines costs $0.07 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. Islo Machines runs microVMs. Shellbox runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Islo Machines

Persistent microVM computers for coding agents.

Isolation: MicroVM
Free tier: Starting credit, no card required
Max session: Not listed

Visit site Islo Machines profile

Shellbox

Linux microVMs for developers and AI agents, made and controlled over SSH.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: No limit

Visit site Shellbox profile

What is different

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

Field

Islo Machines

Shellbox

vCPU, per hour: Islo Machines: $0.07; Shellbox: $0.01
RAM, per GiB-hour: Islo Machines: $0.04; Shellbox: Included
Storage: Islo Machines: $0.0007 per GiB-hour; Shellbox: A stopped box costs $0.50 per x1 slot per month
Billing: Islo Machines: Per second; Shellbox: Bundled machine time
Isolation: Islo Machines: MicroVM; Shellbox: Firecracker microVM

Full comparison

18 fields, at each provider's list price

Islo Machinesislo.dev/pricing

Shellboxshellbox.dev/#pricingshellbox.dev

Pricing

vCPU, per hour: Islo Machines: $0.07; Shellbox: $0.01
RAM, per GiB-hour: Islo Machines: $0.04; Shellbox: Included
Storage: Islo Machines: $0.0007 per GiB-hour; Shellbox: A stopped box costs $0.50 per x1 slot per month
Free tier: Islo Machines: Starting credit, no card required; Shellbox: Not listed
Paid plan from: Islo Machines: Pay as you go; Shellbox: Pay as you go
Billing: Islo Machines: Per second; Shellbox: Bundled machine time

Limits

Max session: Islo Machines: Not listed; Shellbox: No limit
Idle stop: Islo Machines: Not listed; Shellbox: After 2 minutes
Largest sandbox: Islo Machines: Not listed; Shellbox: 16 vCPU · 32 GiB
Concurrent sandboxes: Islo Machines: Not listed; Shellbox: Up to 16

Platform

Isolation: Islo Machines: MicroVM; Shellbox: Firecracker microVM
GPU: Islo Machines: Not listed; Shellbox: Not listed
Snapshots: Islo Machines:; Shellbox:
Pause and resume: Islo Machines:; Shellbox:

Developer

SDKs: Islo Machines: Python, TypeScript, Go; Shellbox: Not listed
Integrations: Islo Machines: Claude Code; Shellbox: Claude Code

Trust

License: Islo Machines: Not listed; Shellbox: Not listed
BYOC: Islo Machines: Agent computers run in your VPC.; Shellbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Islo Machines

Shellbox

1 vCPU · 2 GiB: Islo Machines: $0.150; Shellbox: $0.010
2 vCPU · 4 GiB: Islo Machines: $0.300; Shellbox: $0.020
4 vCPU · 8 GiB: Islo Machines: $0.600; Shellbox: $0.040

Compute only, at list rates.

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Which one fits

Based on the fields above

Islo Machines fits when

You need the sandboxes in your own cloud account.

Shellbox fits when

You want the lower list price: $0.020 against $0.300 an hour for 2 vCPU and 4 GiB.

More comparisons

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Islo Machines

Shellbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Islo Machines fits when

Shellbox fits when

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