Bunny Sandbox vs Runloop

Bunny Sandbox costs $0.02 per vCPU-hour and Runloop costs $0.108 per vCPU-hour. Bunny Sandbox runs gVisor. Runloop runs microVMs.

Updated Oct 14, 2026

Bunny Sandbox

Isolated cloud sandboxes for AI agents, run on gVisor.

Isolation: gVisor
Free tier: Not listed
Max session: Not listed

Visit site Bunny Sandbox profile

Runloop

Devboxes built for coding agents.

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

Visit site Runloop profile

What is different

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

Field

Bunny Sandbox

Runloop

vCPU, per hour: Bunny Sandbox: $0.02; Runloop: $0.108
RAM, per GiB-hour: Bunny Sandbox: $0.005; Runloop: $0.0252
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Runloop: $0.00034236 per GiB-hour
Billing: Bunny Sandbox: Active CPU time only; Runloop: Per second
Isolation: Bunny Sandbox: gVisor; Runloop: MicroVM
SDKs: Bunny Sandbox: JavaScript / TypeScript; Runloop: Python, TypeScript

Full comparison

18 fields, at each provider's list price

Bunny Sandboxbunny.net/blog/introducing-bunny-sandbox-a-disposable-room-where-ai-can-buildbunny.net

Runlooprunloop.ai/pricing

Pricing

vCPU, per hour: Bunny Sandbox: $0.02; Runloop: $0.108
RAM, per GiB-hour: Bunny Sandbox: $0.005; Runloop: $0.0252
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Runloop: $0.00034236 per GiB-hour
Free tier: Bunny Sandbox: Not listed; Runloop: $50 credit
Paid plan from: Bunny Sandbox: Not listed; Runloop: Pay as you go
Billing: Bunny Sandbox: Active CPU time only; Runloop: Per second

Limits

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

Platform

Isolation: Bunny Sandbox: gVisor; Runloop: MicroVM
GPU: Bunny Sandbox: Not listed; Runloop: Not listed
Snapshots: Bunny Sandbox: Not listed; Runloop:
Pause and resume: Bunny Sandbox: Not listed; Runloop:

Developer

SDKs: Bunny Sandbox: JavaScript / TypeScript; Runloop: Python, TypeScript
Integrations: Bunny Sandbox: Not listed; Runloop: OpenAI Agents SDK, MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

Bunny Sandbox

Runloop

1 vCPU · 2 GiB: Bunny Sandbox: $0.030; Runloop: $0.158
2 vCPU · 4 GiB: Bunny Sandbox: $0.060; Runloop: $0.317
4 vCPU · 8 GiB: Bunny Sandbox: $0.120; Runloop: $0.634

Compute only, at list rates.

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Which one fits

Based on the fields above

Bunny Sandbox fits when

You want the lower list price: $0.060 against $0.317 an hour for 2 vCPU and 4 GiB.
Your code waits a lot: CPU is billed only while it is in use.

Runloop fits when

You want each sandbox in its own microVM.
You use the OpenAI Agents SDK or MCP.
You need snapshots.
You need pause and resume.

More comparisons

See all comparisons

Bunny Sandbox

Runloop

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Bunny Sandbox fits when

Runloop fits when

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