Bunny Sandbox vs Celesto Cloud

Bunny Sandbox costs $0.02 per vCPU-hour and Celesto Cloud costs $0.015 per vCPU-hour. Bunny Sandbox runs gVisor. Celesto Cloud 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

Celesto Cloud

Cloud computers for AI agents, each in a microVM.

Isolation: MicroVM
Free tier: $5 runtime credit, one time, 30 days
Max session: Not listed

Visit site Celesto Cloud profile

What is different

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

Field

Bunny Sandbox

Celesto Cloud

vCPU, per hour: Bunny Sandbox: $0.02; Celesto Cloud: $0.015
RAM, per GiB-hour: Bunny Sandbox: $0.005; Celesto Cloud: Included
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Celesto Cloud: Free
Billing: Bunny Sandbox: Active CPU time only; Celesto Cloud: Bundled machine time
Isolation: Bunny Sandbox: gVisor; Celesto Cloud: MicroVM
SDKs: Bunny Sandbox: JavaScript / TypeScript; Celesto Cloud: Python, JavaScript / 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

Celesto Cloudcelesto.ai/pricing

Pricing

vCPU, per hour: Bunny Sandbox: $0.02; Celesto Cloud: $0.015
RAM, per GiB-hour: Bunny Sandbox: $0.005; Celesto Cloud: Included
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Celesto Cloud: Free
Free tier: Bunny Sandbox: Not listed; Celesto Cloud: $5 runtime credit, one time, 30 days
Paid plan from: Bunny Sandbox: Not listed; Celesto Cloud: Pay as you go
Billing: Bunny Sandbox: Active CPU time only; Celesto Cloud: Bundled machine time

Limits

Max session: Bunny Sandbox: Not listed; Celesto Cloud: Not listed
Idle stop: Bunny Sandbox: Not listed; Celesto Cloud: Not listed
Largest sandbox: Bunny Sandbox: Not listed; Celesto Cloud: 8 vCPU · 32 GiB
Concurrent sandboxes: Bunny Sandbox: Not listed; Celesto Cloud: Up to 10

Platform

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

Developer

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

Trust

License: Bunny Sandbox: Not listed; Celesto Cloud: Apache-2.0
BYOC: Bunny Sandbox: Not listed; Celesto Cloud: Not listed

Hourly cost

One sandbox running for one hour

Size

Bunny Sandbox

Celesto Cloud

1 vCPU · 2 GiB: Bunny Sandbox: $0.030; Celesto Cloud: $0.015
2 vCPU · 4 GiB: Bunny Sandbox: $0.060; Celesto Cloud: $0.030
4 vCPU · 8 GiB: Bunny Sandbox: $0.120; Celesto Cloud: $0.060

Compute only, at list rates.

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Which one fits

Based on the fields above

Bunny Sandbox fits when

Your code waits a lot: CPU is billed only while it is in use.

Celesto Cloud fits when

You want each sandbox in its own microVM.
You want an open-source platform (Apache-2.0).
You use MCP or the OpenAI Agents SDK.
You want the lower list price: $0.030 against $0.060 an hour for 2 vCPU and 4 GiB.

More comparisons

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Bunny Sandbox

Celesto Cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Bunny Sandbox fits when

Celesto Cloud fits when

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