Runta vs Together Sandbox

Runta costs $0.0504 per vCPU-hour and Together Sandbox costs $0.0446 per vCPU-hour. Runta runs full VMs. Together Sandbox runs Firecracker microVMs.

Updated Oct 14, 2026

Runta

Isolated computers where AI agents work and keep state.

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

Visit site Runta profile

Together Sandbox

Isolated runtime environments for code from AI agents.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: Not listed

Visit site Together Sandbox profile

What is different

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

Field

Runta

Together Sandbox

vCPU, per hour: Runta: $0.0504; Together Sandbox: $0.0446
RAM, per GiB-hour: Runta: $0.0162; Together Sandbox: $0.0149
Isolation: Runta: Full VM; Together Sandbox: Firecracker microVM

Full comparison

18 fields, at each provider's list price

Runtarunta.com/pricing

Together Sandboxtogether.ai/pricingtogether.ai

Pricing

vCPU, per hour: Runta: $0.0504; Together Sandbox: $0.0446
RAM, per GiB-hour: Runta: $0.0162; Together Sandbox: $0.0149
Storage: Runta: $0.000108 per GiB-hour; Together Sandbox: Not listed
Free tier: Runta: $50 free credit; Together Sandbox: Not listed
Paid plan from: Runta: Pay as you go; Together Sandbox: Not listed
Billing: Runta: Per second; Together Sandbox: Per second

Limits

Max session: Runta: Not listed; Together Sandbox: Not listed
Idle stop: Runta: Not listed; Together Sandbox: Not listed
Largest sandbox: Runta: Not listed; Together Sandbox: 16 vCPU · 128 GiB
Concurrent sandboxes: Runta: Not listed; Together Sandbox: Not listed

Platform

Isolation: Runta: Full VM; Together Sandbox: Firecracker microVM
GPU: Runta: Not listed; Together Sandbox: Not listed
Snapshots: Runta:; Together Sandbox:
Pause and resume: Runta:; Together Sandbox:

Developer

SDKs: Runta: Python, TypeScript; Together Sandbox: Python, TypeScript
Integrations: Runta: OpenAI Agents SDK; Together Sandbox: Not listed

Trust

License: Runta: Not listed; Together Sandbox: Not listed
BYOC: Runta: Not listed; Together Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Runta

Together Sandbox

1 vCPU · 2 GiB: Runta: $0.083; Together Sandbox: $0.074
2 vCPU · 4 GiB: Runta: $0.166; Together Sandbox: $0.149
4 vCPU · 8 GiB: Runta: $0.331; Together Sandbox: $0.298

Compute only, at list rates.

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Which one fits

Based on the fields above

Runta fits when

You want each sandbox to be a full VM.
You use the OpenAI Agents SDK.
You need a desktop in the sandbox.

Together Sandbox fits when

You want each sandbox in its own microVM.
You want the lower list price: $0.149 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

Runta

Together Sandbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Runta fits when

Together Sandbox fits when

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