Azure Container Apps dynamic sessions vs Sailboxes

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

Updated Oct 14, 2026

Azure Container Apps dynamic sessions

Isolated sandbox sessions for running code on Azure.

Isolation: Full VM
Free tier: Not listed
Max session: Not listed

Visit site Azure Container Apps dynamic sessions 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

1 field differs. The rest are the same or not listed.

Field

Azure Container Apps dynamic sessions

Sailboxes

Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Sailboxes: Up to 5,000

Full comparison

18 fields, at each provider's list price

Azure Container Apps dynamic sessionsazure.microsoft.com/en-us/pricing/details/container-appsazure.microsoft.com

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

Pricing

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

Limits

Max session: Azure Container Apps dynamic sessions: Not listed; Sailboxes: No limit
Idle stop: Azure Container Apps dynamic sessions: Not listed; Sailboxes: Not listed
Largest sandbox: Azure Container Apps dynamic sessions: Not listed; Sailboxes: Not listed
Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Sailboxes: Up to 5,000

Platform

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

Developer

SDKs: Azure Container Apps dynamic sessions: Not listed; Sailboxes: Python, TypeScript, Rust
Integrations: Azure Container Apps dynamic sessions: LangChain; Sailboxes: Not listed

Trust

License: Azure Container Apps dynamic sessions: Not listed; Sailboxes: Not listed
BYOC: Azure Container Apps dynamic sessions: Not listed; Sailboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps dynamic sessions

Sailboxes

1 vCPU · 2 GiB: Azure Container Apps dynamic sessions: Not listed; Sailboxes: $0.031
2 vCPU · 4 GiB: Azure Container Apps dynamic sessions: Not listed; Sailboxes: $0.062
4 vCPU · 8 GiB: Azure Container Apps dynamic sessions: Not listed; Sailboxes: $0.124

Compute only, at list rates.

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Which one fits

Based on the fields above

Azure Container Apps dynamic sessions fits when

You use LangChain.

Sailboxes fits when

You need snapshots.
You need pause and resume.
You need SOC 2 and HIPAA.

More comparisons

See all comparisons

Azure Container Apps dynamic sessions

Sailboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps dynamic sessions fits when

Sailboxes fits when

More comparisons

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