Azure Container Apps dynamic sessions vs Caged

Caged costs $0.06 per vCPU-hour. Azure Container Apps dynamic sessions runs full VMs. Caged runs Firecracker microVMs and limits a session to 4 hours.

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

Caged

Isolated microVM sandboxes that record every agent action.

Isolation: Firecracker microVM
Free tier: Free plan, 5 sandboxes a day
Max session: 4 hours

Visit site Caged profile

What is different

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

Field

Azure Container Apps dynamic sessions

Caged

Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Caged: Up to 5
Isolation: Azure Container Apps dynamic sessions: Full VM; Caged: Firecracker microVM
Integrations: Azure Container Apps dynamic sessions: LangChain; Caged: MCP

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

Cagedcaged.dev/#pricing

Pricing

vCPU, per hour: Azure Container Apps dynamic sessions: Not listed; Caged: $0.06
RAM, per GiB-hour: Azure Container Apps dynamic sessions: Not listed; Caged: Included
Storage: Azure Container Apps dynamic sessions: Not listed; Caged: Free
Free tier: Azure Container Apps dynamic sessions: Not listed; Caged: Free plan, 5 sandboxes a day
Paid plan from: Azure Container Apps dynamic sessions: Not listed; Caged: $29 / month
Billing: Azure Container Apps dynamic sessions: Not listed; Caged: Bundled machine time

Limits

Max session: Azure Container Apps dynamic sessions: Not listed; Caged: 4 hours
Idle stop: Azure Container Apps dynamic sessions: Not listed; Caged: Not listed
Largest sandbox: Azure Container Apps dynamic sessions: Not listed; Caged: 8 vCPU · 8 GiB
Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Caged: Up to 5

Platform

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

Developer

SDKs: Azure Container Apps dynamic sessions: Not listed; Caged: Not listed
Integrations: Azure Container Apps dynamic sessions: LangChain; Caged: MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps dynamic sessions

Caged

1 vCPU · 2 GiB: Azure Container Apps dynamic sessions: Not listed; Caged: $0.060
2 vCPU · 4 GiB: Azure Container Apps dynamic sessions: Not listed; Caged: $0.120
4 vCPU · 8 GiB: Azure Container Apps dynamic sessions: Not listed; Caged: $0.240

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 want each sandbox to be a full VM.
You use LangChain.

Caged fits when

You want each sandbox in its own microVM.
You use MCP.

More comparisons

See all comparisons

Azure Container Apps dynamic sessions

Caged

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps dynamic sessions fits when

Caged fits when

More comparisons

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