Bunny Sandbox vs Sendblue Sandboxes

Bunny Sandbox costs $0.02 per vCPU-hour and Sendblue Sandboxes costs $0.165 per vCPU-hour. Bunny Sandbox runs gVisor and has no session limit. Sendblue Sandboxes runs containers.

Updated Oct 15, 2026

Bunny Sandbox

Isolated cloud sandboxes for AI agents, run on gVisor.

Isolation: gVisor
Free tier: Not listed
Max session: No limit

Visit site Bunny Sandbox profile

Sendblue Sandboxes

Isolated cloud Linux machines that AI agents control over an HTTP API.

Isolation: Container
Free tier: $100 free compute, once per phone number
Max session: Not listed

Visit site Sendblue Sandboxes profile

What is different

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

Field

Bunny Sandbox

Sendblue Sandboxes

vCPU, per hour: Bunny Sandbox: $0.02; Sendblue Sandboxes: $0.165
RAM, per GiB-hour: Bunny Sandbox: $0.005; Sendblue Sandboxes: Included
Billing: Bunny Sandbox: Active CPU time only; Sendblue Sandboxes: Bundled machine time
Isolation: Bunny Sandbox: gVisor; Sendblue Sandboxes: Container

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

Sendblue Sandboxessendblue.com/sandboxessendblue.com

Pricing

vCPU, per hour: Bunny Sandbox: $0.02; Sendblue Sandboxes: $0.165
RAM, per GiB-hour: Bunny Sandbox: $0.005; Sendblue Sandboxes: Included
Storage: Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB; Sendblue Sandboxes: Not listed
Free tier: Bunny Sandbox: Not listed; Sendblue Sandboxes: $100 free compute, once per phone number
Paid plan from: Bunny Sandbox: Pay as you go; Sendblue Sandboxes: Not listed
Billing: Bunny Sandbox: Active CPU time only; Sendblue Sandboxes: Bundled machine time

Limits

Max session: Bunny Sandbox: No limit; Sendblue Sandboxes: Not listed
Idle stop: Bunny Sandbox: Not listed; Sendblue Sandboxes: After 10 minutes
Largest sandbox: Bunny Sandbox: Not listed; Sendblue Sandboxes: 2 vCPU · 8 GiB
Concurrent sandboxes: Bunny Sandbox: Not listed; Sendblue Sandboxes: Up to 5

Platform

Isolation: Bunny Sandbox: gVisor; Sendblue Sandboxes: Container
GPU: Bunny Sandbox: Not listed; Sendblue Sandboxes: Not listed
Snapshots: Bunny Sandbox: Not listed; Sendblue Sandboxes: Not listed
Pause and resume: Bunny Sandbox: Not listed; Sendblue Sandboxes: No

Developer

SDKs: Bunny Sandbox: JavaScript / TypeScript; Sendblue Sandboxes: Not listed
Integrations: Bunny Sandbox: Claude Code; Sendblue Sandboxes: Not listed

Trust

License: Bunny Sandbox: Not listed; Sendblue Sandboxes: Not listed
BYOC: Bunny Sandbox: Not listed; Sendblue Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Bunny Sandbox

Sendblue Sandboxes

1 vCPU · 2 GiB: Bunny Sandbox: $0.030; Sendblue Sandboxes: $0.165
2 vCPU · 4 GiB: Bunny Sandbox: $0.060; Sendblue Sandboxes: $0.330
4 vCPU · 8 GiB: Bunny Sandbox: $0.120; Sendblue Sandboxes: $0.660

Compute only, at list rates.

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Which one fits

Based on the fields above

Bunny Sandbox fits when

You use Claude Code.
You want the lower list price: $0.060 against $0.330 an hour for 2 vCPU and 4 GiB.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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Bunny Sandbox

Sendblue Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Bunny Sandbox fits when

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