MIOSA vs Shellbox

MIOSA costs $0.0496 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. MIOSA runs Firecracker microVMs and limits a session to 24 hours. Shellbox runs Firecracker microVMs and has no session limit.

Updated

MIOSA

Isolation
Firecracker microVM
Free tier
$1 of usage every month
Max session
24 hours

Shellbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
No limit

What is different

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

MIOSA
Shellbox
vCPU, per hour
MIOSA: $0.0496
Shellbox: $0.01
Storage
MIOSA: Disk $0.10 per GiB a month while the machine runs. Paused disk and named snapshots $0.02 per GiB a month
Shellbox: A stopped box costs $0.50 per x1 slot per month
Paid plan from
MIOSA: $20 / month
Shellbox: Pay as you go
Max session
MIOSA: 24 hours
Shellbox: No limit
Idle stop
MIOSA: After 30 minutes
Shellbox: After 2 minutes
Concurrent sandboxes
MIOSA: Up to 100
Shellbox: Up to 16
Integrations
MIOSA: MCP, Claude Code
Shellbox: Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
MIOSA: $0.0496
Shellbox: $0.01
RAM, per GiB-hour
MIOSA: Included
Shellbox: Included
Storage
MIOSA: Disk $0.10 per GiB a month while the machine runs. Paused disk and named snapshots $0.02 per GiB a month
Shellbox: A stopped box costs $0.50 per x1 slot per month
Free tier
MIOSA: $1 of usage every month
Shellbox: Not listed
Paid plan from
MIOSA: $20 / month
Shellbox: Pay as you go
Billing
MIOSA: Bundled machine time
Shellbox: Bundled machine time

Limits

Max session
MIOSA: 24 hours
Shellbox: No limit
Idle stop
MIOSA: After 30 minutes
Shellbox: After 2 minutes
Largest sandbox
MIOSA: 16 vCPU · 32 GiB
Shellbox: 16 vCPU · 32 GiB
Concurrent sandboxes
MIOSA: Up to 100
Shellbox: Up to 16

Platform

Isolation
MIOSA: Firecracker microVM
Shellbox: Firecracker microVM
GPU
MIOSA: No
Shellbox: Not listed
Snapshots
MIOSA:
Shellbox:
Pause and resume
MIOSA:
Shellbox:

Developer

SDKs
MIOSA: TypeScript, Python, Go, Rust, Java
Shellbox: Not listed
Integrations
MIOSA: MCP, Claude Code
Shellbox: Claude Code

Trust

License
MIOSA: Not listed
Shellbox: Not listed
BYOC
MIOSA: Your own AWS or Google Cloud account, or your own servers through OpenComputers
Shellbox: Not listed

Hourly cost

One sandbox running for one hour

MIOSA
Shellbox
1 vCPU · 2 GiB
MIOSA: $0.050
Shellbox: $0.010
2 vCPU · 4 GiB
MIOSA: $0.099
Shellbox: $0.020
4 vCPU · 8 GiB
MIOSA: $0.198
Shellbox: $0.040

Compute only, at list rates.

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Which one fits

Based on the fields above

MIOSA fits when

  • You use MCP.
  • You need a desktop in the sandbox.
  • You need the sandboxes in your own cloud account.
  • You need SOC 2 and HIPAA.

Shellbox fits when

  • A session must run longer than 24 hours.
  • You want to pay only for usage, with no plan fee.
  • You want the lower list price: $0.020 against $0.099 an hour for 2 vCPU and 4 GiB.

More comparisons

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