Runta vs Shellbox

Runta costs $0.0504 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. Shellbox runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Runta

Isolated computers where AI agents work and keep state.

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

Visit site Runta 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

Runta

Shellbox

vCPU, per hour: Runta: $0.0504; Shellbox: $0.01
RAM, per GiB-hour: Runta: $0.0162; Shellbox: Included
Storage: Runta: $0.000108 per GiB-hour; Shellbox: A stopped box costs $0.50 per x1 slot per month
Billing: Runta: Per second; Shellbox: Bundled machine time
Integrations: Runta: OpenAI Agents SDK, Claude Code; Shellbox: Claude Code

Full comparison

18 fields, at each provider's list price

Runtarunta.com/pricing

Shellboxshellbox.dev/#pricingshellbox.dev

Pricing

vCPU, per hour: Runta: $0.0504; Shellbox: $0.01
RAM, per GiB-hour: Runta: $0.0162; Shellbox: Included
Storage: Runta: $0.000108 per GiB-hour; Shellbox: A stopped box costs $0.50 per x1 slot per month
Free tier: Runta: $50 free credit; Shellbox: Not listed
Paid plan from: Runta: Pay as you go; Shellbox: Pay as you go
Billing: Runta: Per second; Shellbox: Bundled machine time

Limits

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

Platform

Isolation: Runta: Not listed; Shellbox: Firecracker microVM
GPU: Runta: Not listed; Shellbox: Not listed
Snapshots: Runta:; Shellbox:
Pause and resume: Runta:; Shellbox:

Developer

SDKs: Runta: Python, TypeScript; Shellbox: Not listed
Integrations: Runta: OpenAI Agents SDK, Claude Code; Shellbox: Claude Code

Trust

License: Runta: Not listed; Shellbox: Not listed
BYOC: Runta: Not listed; Shellbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Runta

Shellbox

1 vCPU · 2 GiB: Runta: $0.083; Shellbox: $0.010
2 vCPU · 4 GiB: Runta: $0.166; Shellbox: $0.020
4 vCPU · 8 GiB: Runta: $0.331; Shellbox: $0.040

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.
You need a desktop in the sandbox.

Shellbox fits when

You want the lower list price: $0.020 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

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Runta

Shellbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Runta fits when

Shellbox fits when

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