Runloop vs Together Sandbox

Runloop costs $0.108 per vCPU-hour and Together Sandbox costs $0.0446 per vCPU-hour. Runloop runs microVMs. Together Sandbox runs Firecracker microVMs.

Updated Oct 14, 2026

Runloop

Devboxes built for coding agents.

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

Visit site Runloop 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

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

Field

Runloop

Together Sandbox

vCPU, per hour: Runloop: $0.108; Together Sandbox: $0.0446
RAM, per GiB-hour: Runloop: $0.0252; Together Sandbox: $0.0149
Largest sandbox: Runloop: 16 vCPU · 64 GiB; Together Sandbox: 16 vCPU · 128 GiB
Isolation: Runloop: MicroVM; Together Sandbox: Firecracker microVM

Full comparison

18 fields, at each provider's list price

Runlooprunloop.ai/pricing

Together Sandboxtogether.ai/pricingtogether.ai

Pricing

vCPU, per hour: Runloop: $0.108; Together Sandbox: $0.0446
RAM, per GiB-hour: Runloop: $0.0252; Together Sandbox: $0.0149
Storage: Runloop: $0.00034236 per GiB-hour; Together Sandbox: Not listed
Free tier: Runloop: $50 credit; Together Sandbox: Not listed
Paid plan from: Runloop: Pay as you go; Together Sandbox: Not listed
Billing: Runloop: Per second; Together Sandbox: Per second

Limits

Max session: Runloop: Not listed; Together Sandbox: Not listed
Idle stop: Runloop: Not listed; Together Sandbox: Not listed
Largest sandbox: Runloop: 16 vCPU · 64 GiB; Together Sandbox: 16 vCPU · 128 GiB
Concurrent sandboxes: Runloop: Not listed; Together Sandbox: Not listed

Platform

Isolation: Runloop: MicroVM; Together Sandbox: Firecracker microVM
GPU: Runloop: Not listed; Together Sandbox: Not listed
Snapshots: Runloop:; Together Sandbox:
Pause and resume: Runloop:; Together Sandbox:

Developer

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

Trust

License: Runloop: Not listed; Together Sandbox: Not listed
BYOC: Runloop: Deploy to VPC, Enterprise plan; Together Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Runloop

Together Sandbox

1 vCPU · 2 GiB: Runloop: $0.158; Together Sandbox: $0.074
2 vCPU · 4 GiB: Runloop: $0.317; Together Sandbox: $0.149
4 vCPU · 8 GiB: Runloop: $0.634; Together Sandbox: $0.298

Compute only, at list rates.

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Which one fits

Based on the fields above

Runloop fits when

You use the OpenAI Agents SDK or MCP.
You need a desktop in the sandbox.
You need the sandboxes in your own cloud account.
You need SOC 2 Type II.

Together Sandbox fits when

You want the lower list price: $0.149 against $0.317 an hour for 2 vCPU and 4 GiB.
You need a sandbox larger than 16 vCPU · 64 GiB.

More comparisons

See all comparisons

Runloop

Together Sandbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Runloop fits when

Together Sandbox fits when

More comparisons

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