Azure Container Apps Sandboxes vs Zipbox

Azure Container Apps Sandboxes costs $0.0864 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Azure Container Apps Sandboxes runs microVMs. Zipbox runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Azure Container Apps Sandboxes

Isolated microVM sandboxes that start on demand.

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

Visit site Azure Container Apps Sandboxes profile

Zipbox

Long-lived Firecracker microVMs for AI agents, each with its own desktop.

Isolation: Firecracker microVM
Free tier: $25 credit after a one-time $5 top-up
Max session: No limit

Visit site Zipbox profile

What is different

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

Field

Azure Container Apps Sandboxes

Zipbox

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Zipbox: $0.00685
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Zipbox: Included
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Zipbox: Free
Billing: Azure Container Apps Sandboxes: Per second; Zipbox: Bundled machine time
Largest sandbox: Azure Container Apps Sandboxes: 4 vCPU · 8 GiB; Zipbox: 6 vCPU · 16 GiB
Isolation: Azure Container Apps Sandboxes: MicroVM; Zipbox: Firecracker microVM
Snapshots: Azure Container Apps Sandboxes:; Zipbox: No
Pause and resume: Azure Container Apps Sandboxes:; Zipbox: No
SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Zipbox: TypeScript, Python, Go, Rust
Integrations: Azure Container Apps Sandboxes: Claude Code; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

Azure Container Apps Sandboxessandboxes.azure.com/docs/sandboxes/costsandboxes.azure.com

Zipboxzipbox.ai/pricing

Pricing

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Zipbox: $0.00685
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Zipbox: Included
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Zipbox: Free
Free tier: Azure Container Apps Sandboxes: Not listed; Zipbox: $25 credit after a one-time $5 top-up
Paid plan from: Azure Container Apps Sandboxes: Not listed; Zipbox: Pay as you go
Billing: Azure Container Apps Sandboxes: Per second; Zipbox: Bundled machine time

Limits

Max session: Azure Container Apps Sandboxes: Not listed; Zipbox: No limit
Idle stop: Azure Container Apps Sandboxes: Not listed; Zipbox: Not listed
Largest sandbox: Azure Container Apps Sandboxes: 4 vCPU · 8 GiB; Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes: Azure Container Apps Sandboxes: Not listed; Zipbox: Not listed

Platform

Isolation: Azure Container Apps Sandboxes: MicroVM; Zipbox: Firecracker microVM
GPU: Azure Container Apps Sandboxes: Not listed; Zipbox: Not listed
Snapshots: Azure Container Apps Sandboxes:; Zipbox: No
Pause and resume: Azure Container Apps Sandboxes:; Zipbox: No

Developer

SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Zipbox: TypeScript, Python, Go, Rust
Integrations: Azure Container Apps Sandboxes: Claude Code; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License: Azure Container Apps Sandboxes: Not listed; Zipbox: Not listed
BYOC: Azure Container Apps Sandboxes: Not listed; Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps Sandboxes

Zipbox

1 vCPU · 2 GiB: Azure Container Apps Sandboxes: $0.108; Zipbox: $0.007
2 vCPU · 4 GiB: Azure Container Apps Sandboxes: $0.216; Zipbox: $0.014
4 vCPU · 8 GiB: Azure Container Apps Sandboxes: $0.432; Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

Azure Container Apps Sandboxes fits when

You need snapshots.
You need pause and resume.

Zipbox fits when

You use MCP, the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
You want the lower list price: $0.014 against $0.216 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.
You need a sandbox larger than 4 vCPU · 8 GiB.

More comparisons

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Azure Container Apps Sandboxes

Zipbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps Sandboxes fits when

Zipbox fits when

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