Azure Container Apps Sandboxes vs Sailboxes

Azure Container Apps Sandboxes costs $0.0864 per vCPU-hour and Sailboxes costs $0.015 per vCPU-hour. Azure Container Apps Sandboxes runs microVMs. Sailboxes runs full VMs and has no session limit.

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

Sailboxes

Persistent Linux VMs for long-horizon AI agents.

Isolation: Full VM
Free tier: $5 credit every month
Max session: No limit

Visit site Sailboxes profile

What is different

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

Field

Azure Container Apps Sandboxes

Sailboxes

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Sailboxes: $0.015
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Sailboxes: $0.008
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Sailboxes: $0.0007 per GiB-hour
Isolation: Azure Container Apps Sandboxes: MicroVM; Sailboxes: Full VM
SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Sailboxes: Python, TypeScript, Rust

Full comparison

18 fields, at each provider's list price

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

Sailboxesdocs.sailresearch.com/sailboxes-pricingdocs.sailresearch.com

Pricing

vCPU, per hour: Azure Container Apps Sandboxes: $0.0864; Sailboxes: $0.015
RAM, per GiB-hour: Azure Container Apps Sandboxes: $0.0108; Sailboxes: $0.008
Storage: Azure Container Apps Sandboxes: Storage charge coming soon; Sailboxes: $0.0007 per GiB-hour
Free tier: Azure Container Apps Sandboxes: Not listed; Sailboxes: $5 credit every month
Paid plan from: Azure Container Apps Sandboxes: Not listed; Sailboxes: Pay as you go
Billing: Azure Container Apps Sandboxes: Per second; Sailboxes: Per second

Limits

Max session: Azure Container Apps Sandboxes: Not listed; Sailboxes: No limit
Idle stop: Azure Container Apps Sandboxes: Not listed; Sailboxes: Not listed
Largest sandbox: Azure Container Apps Sandboxes: 4 vCPU · 8 GiB; Sailboxes: Not listed
Concurrent sandboxes: Azure Container Apps Sandboxes: Not listed; Sailboxes: Up to 5,000

Platform

Isolation: Azure Container Apps Sandboxes: MicroVM; Sailboxes: Full VM
GPU: Azure Container Apps Sandboxes: Not listed; Sailboxes: Not listed
Snapshots: Azure Container Apps Sandboxes:; Sailboxes:
Pause and resume: Azure Container Apps Sandboxes:; Sailboxes:

Developer

SDKs: Azure Container Apps Sandboxes: Python, TypeScript; Sailboxes: Python, TypeScript, Rust
Integrations: Azure Container Apps Sandboxes: Not listed; Sailboxes: Not listed

Trust

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

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps Sandboxes

Sailboxes

1 vCPU · 2 GiB: Azure Container Apps Sandboxes: $0.108; Sailboxes: $0.031
2 vCPU · 4 GiB: Azure Container Apps Sandboxes: $0.216; Sailboxes: $0.062
4 vCPU · 8 GiB: Azure Container Apps Sandboxes: $0.432; Sailboxes: $0.124

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.

Sailboxes fits when

You want each sandbox to be a full VM.
You want the lower list price: $0.062 against $0.216 an hour for 2 vCPU and 4 GiB.
You need SOC 2 and HIPAA.

More comparisons

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Azure Container Apps Sandboxes

Sailboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps Sandboxes fits when

Sailboxes fits when

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