Runta vs Smol Machines

Runta costs $0.0504 per vCPU-hour and Smol Machines costs $0.05 per vCPU-hour. Smol Machines runs microVMs.

Updated

Runta

Isolation
Not listed
Free tier
$50 free credit
Max session
Not listed

Smol Machines

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

What is different

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

Runta
Smol Machines
vCPU, per hour
Runta: $0.0504
Smol Machines: $0.05
Storage
Runta: $0.000108 per GiB-hour
Smol Machines: $0.0001 per GiB-hour
Free tier
Runta: $50 free credit
Smol Machines: $100 credit, one time
Billing
Runta: Per second
Smol Machines: Active CPU time only
Snapshots
Runta:
Smol Machines: No
SDKs
Runta: Python, TypeScript
Smol Machines: TypeScript, Python, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Runta: $0.0504
Smol Machines: $0.05
RAM, per GiB-hour
Runta: $0.0162
Smol Machines: $0.0162
Storage
Runta: $0.000108 per GiB-hour
Smol Machines: $0.0001 per GiB-hour
Free tier
Runta: $50 free credit
Smol Machines: $100 credit, one time
Paid plan from
Runta: Pay as you go
Smol Machines: Pay as you go
Billing
Runta: Per second
Smol Machines: Active CPU time only

Limits

Max session
Runta: Not listed
Smol Machines: Not listed
Idle stop
Runta: Not listed
Smol Machines: Not listed
Largest sandbox
Runta: Not listed
Smol Machines: 32 vCPU · 32 GiB
Concurrent sandboxes
Runta: Not listed
Smol Machines: Up to 1,000

Platform

Isolation
Runta: Not listed
Smol Machines: MicroVM
GPU
Runta: Not listed
Smol Machines: No
Snapshots
Runta:
Smol Machines: No
Pause and resume
Runta:
Smol Machines:

Developer

SDKs
Runta: Python, TypeScript
Smol Machines: TypeScript, Python, Rust
Integrations
Runta: OpenAI Agents SDK, Claude Code
Smol Machines: Not listed

Trust

License
Runta: Not listed
Smol Machines: Apache-2.0
BYOC
Runta: Not listed
Smol Machines: Not listed

Hourly cost

One sandbox running for one hour

Runta
Smol Machines
1 vCPU · 2 GiB
Runta: $0.083
Smol Machines: $0.082
2 vCPU · 4 GiB
Runta: $0.166
Smol Machines: $0.165
4 vCPU · 8 GiB
Runta: $0.331
Smol Machines: $0.330

Compute only, at list rates.

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Which one fits

Based on the fields above

Runta fits when

  • You use the OpenAI Agents SDK or Claude Code.
  • You need snapshots.
  • You need a desktop in the sandbox.

Smol Machines fits when

  • You want an open-source platform (Apache-2.0) that you can self-host.
  • You want the lower list price: $0.165 against $0.166 an hour for 2 vCPU and 4 GiB.
  • You want the larger free credit: $100 against $50.
  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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