Azure Container Apps dynamic sessions vs Cloudflare Sandbox

Cloudflare Sandbox costs $0.072 per vCPU-hour. Azure Container Apps dynamic sessions runs full VMs. Cloudflare Sandbox runs Firecracker microVMs.

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

Cloudflare Sandbox

Containers at the edge, driven from a Worker.

Isolation: Firecracker microVM
Free tier: None
Max session: Not listed

Visit site Cloudflare Sandbox profile

What is different

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

Field

Azure Container Apps dynamic sessions

Cloudflare Sandbox

Isolation: Azure Container Apps dynamic sessions: Full VM; Cloudflare Sandbox: Firecracker microVM

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

Cloudflare Sandboxdevelopers.cloudflare.com/containers/platform/pricingdevelopers.cloudflare.com

Pricing

vCPU, per hour: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $0.072
RAM, per GiB-hour: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $0.009
Storage: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $0.000252 per GiB-hour
Free tier: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: None
Paid plan from: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $5 / month
Billing: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: Active CPU time only

Limits

Max session: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: Not listed
Idle stop: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: Not listed
Largest sandbox: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: 4 vCPU · 12 GiB
Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Cloudflare Sandbox: Not listed

Platform

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

Developer

SDKs: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: TypeScript
Integrations: Azure Container Apps dynamic sessions: LangChain; Cloudflare Sandbox: Not listed

Trust

License: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: Not listed
BYOC: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps dynamic sessions

Cloudflare Sandbox

1 vCPU · 2 GiB: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $0.090
2 vCPU · 4 GiB: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $0.180
4 vCPU · 8 GiB: Azure Container Apps dynamic sessions: Not listed; Cloudflare Sandbox: $0.360

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.

Cloudflare Sandbox fits when

You want each sandbox in its own microVM.
You need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

Azure Container Apps dynamic sessions

Cloudflare Sandbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps dynamic sessions fits when

Cloudflare Sandbox fits when

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