Azure Container Apps Sandboxes vs Modal

Azure Container Apps Sandboxes costs $0.0864 per vCPU-hour and Modal costs $0.070956 per vCPU-hour. Azure Container Apps Sandboxes runs microVMs. Modal runs gVisor, offers GPUs and limits a session to 24 hours.

Updated Oct 14, 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

Modal

Serverless compute with sandboxes and GPUs.

Isolation: gVisor
Free tier: $30 credit every month
Max session: 24 hours

Visit site Modal profile

What is different

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

Field

Azure Container Apps Sandboxes

Modal

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Modal: $0.070956
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Modal: $0.024012
Isolation: Azure Container Apps Sandboxes: MicroVM; Modal: gVisor
SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Modal: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

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

Modalmodal.com/pricing

Pricing

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Modal: $0.070956
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Modal: $0.024012
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Modal: Not listed
Free tier: Azure Container Apps Sandboxes: Not listed; Modal: $30 credit every month
Paid plan from: Azure Container Apps Sandboxes: Not listed; Modal: Pay as you go
Billing: Azure Container Apps Sandboxes: Per second; Modal: Per second

Limits

Max session: Azure Container Apps Sandboxes: Not listed; Modal: 24 hours
Idle stop: Azure Container Apps Sandboxes: Not listed; Modal: Not listed
Largest sandbox: Azure Container Apps Sandboxes: 4 vCPU · 8 GiB; Modal: Not listed
Concurrent sandboxes: Azure Container Apps Sandboxes: Not listed; Modal: Not listed

Platform

Isolation: Azure Container Apps Sandboxes: MicroVM; Modal: gVisor
GPU: Azure Container Apps Sandboxes: Not listed; Modal:
Snapshots: Azure Container Apps Sandboxes:; Modal:
Pause and resume: Azure Container Apps Sandboxes:; Modal: Not listed

Developer

SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Modal: Python, JavaScript / TypeScript, Go
Integrations: Azure Container Apps Sandboxes: Not listed; Modal: Claude Agent SDK, Claude Code

Trust

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

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps Sandboxes

Modal

1 vCPU · 2 GiB: Azure Container Apps Sandboxes: $0.108; Modal: $0.119
2 vCPU · 4 GiB: Azure Container Apps Sandboxes: $0.216; Modal: $0.238
4 vCPU · 8 GiB: Azure Container Apps Sandboxes: $0.432; Modal: $0.476

Compute only, at list rates.

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Which one fits

Based on the fields above

Azure Container Apps Sandboxes fits when

You want each sandbox in its own microVM.
You want the lower list price: $0.216 against $0.238 an hour for 2 vCPU and 4 GiB.
You need pause and resume.

Modal fits when

You need GPUs.
You use the Claude Agent SDK or Claude Code.
You need a desktop in the sandbox.
You need SOC 2 Type II, HIPAA and GDPR.

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Azure Container Apps Sandboxes

Modal

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps Sandboxes fits when

Modal fits when

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