MIOSA vs Smol Machines

MIOSA costs $0.04536 per vCPU-hour and Smol Machines costs $0.05 per vCPU-hour. MIOSA runs Firecracker microVMs and limits a session to 24 hours. Smol Machines runs microVMs.

Updated

MIOSA

Isolation
Firecracker microVM
Free tier
$10 credit, one time
Max session
24 hours

Smol Machines

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

What is different

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

MIOSA
Smol Machines
vCPU, per hour
MIOSA: $0.04536
Smol Machines: $0.05
RAM, per GiB-hour
MIOSA: $0.01458
Smol Machines: $0.0162
Storage
MIOSA: $0.0006147 per GiB-hour
Smol Machines: $0.0001 per GiB-hour
Free tier
MIOSA: $10 credit, one time
Smol Machines: $100 credit, one time
Paid plan from
MIOSA: $500 / month
Smol Machines: Pay as you go
Billing
MIOSA: Per second
Smol Machines: Active CPU time only
Largest sandbox
MIOSA: 16 vCPU · 32 GiB
Smol Machines: 32 vCPU · 32 GiB
Concurrent sandboxes
MIOSA: Up to 250
Smol Machines: Up to 1,000
Isolation
MIOSA: Firecracker microVM
Smol Machines: MicroVM
Snapshots
MIOSA:
Smol Machines: No
SDKs
MIOSA: TypeScript, Python, Go, Rust, Java
Smol Machines: TypeScript, Python, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
MIOSA: $0.04536
Smol Machines: $0.05
RAM, per GiB-hour
MIOSA: $0.01458
Smol Machines: $0.0162
Storage
MIOSA: $0.0006147 per GiB-hour
Smol Machines: $0.0001 per GiB-hour
Free tier
MIOSA: $10 credit, one time
Smol Machines: $100 credit, one time
Paid plan from
MIOSA: $500 / month
Smol Machines: Pay as you go
Billing
MIOSA: Per second
Smol Machines: Active CPU time only

Limits

Max session
MIOSA: 24 hours
Smol Machines: Not listed
Idle stop
MIOSA: After 30 minutes
Smol Machines: Not listed
Largest sandbox
MIOSA: 16 vCPU · 32 GiB
Smol Machines: 32 vCPU · 32 GiB
Concurrent sandboxes
MIOSA: Up to 250
Smol Machines: Up to 1,000

Platform

Isolation
MIOSA: Firecracker microVM
Smol Machines: MicroVM
GPU
MIOSA: Not listed
Smol Machines: No
Snapshots
MIOSA:
Smol Machines: No
Pause and resume
MIOSA:
Smol Machines:

Developer

SDKs
MIOSA: TypeScript, Python, Go, Rust, Java
Smol Machines: TypeScript, Python, Rust
Integrations
MIOSA: MCP
Smol Machines: Not listed

Trust

License
MIOSA: Not listed
Smol Machines: Apache-2.0
BYOC
MIOSA: Your own AWS, GCP or Azure account
Smol Machines: Not listed

Hourly cost

One sandbox running for one hour

MIOSA
Smol Machines
1 vCPU · 2 GiB
MIOSA: $0.075
Smol Machines: $0.082
2 vCPU · 4 GiB
MIOSA: $0.149
Smol Machines: $0.165
4 vCPU · 8 GiB
MIOSA: $0.298
Smol Machines: $0.330

Compute only, at list rates.

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Which one fits

Based on the fields above

MIOSA fits when

  • You use MCP.
  • You want the lower list price: $0.149 against $0.165 an hour for 2 vCPU and 4 GiB.
  • You need snapshots.
  • You need a desktop in the sandbox.

Smol Machines fits when

  • You want to pay only for usage, with no plan fee.
  • You want an open-source platform (Apache-2.0) that you can self-host.
  • You want the larger free credit: $100 against $10.
  • Your code waits a lot: CPU is billed only while it is in use.

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