Azure Container Apps dynamic sessions vs E2B

E2B costs $0.0504 per vCPU-hour. Azure Container Apps dynamic sessions runs full VMs. E2B runs Firecracker microVMs and limits a session to 24 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

E2B

Open-source sandboxes for AI-generated code.

Isolation: Firecracker microVM
Free tier: $100 credit, one time
Max session: 24 hours

Visit site E2B profile

What is different

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

Field

Azure Container Apps dynamic sessions

E2B

Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; E2B: Up to 1,100
Isolation: Azure Container Apps dynamic sessions: Full VM; E2B: Firecracker microVM
Integrations: Azure Container Apps dynamic sessions: LangChain; E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, 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

E2Be2b.dev/pricing

Pricing

vCPU, per hour: Azure Container Apps dynamic sessions: Not listed; E2B: $0.0504
RAM, per GiB-hour: Azure Container Apps dynamic sessions: Not listed; E2B: $0.0162
Storage: Azure Container Apps dynamic sessions: Not listed; E2B: Free
Free tier: Azure Container Apps dynamic sessions: Not listed; E2B: $100 credit, one time
Paid plan from: Azure Container Apps dynamic sessions: Not listed; E2B: $150 / month
Billing: Azure Container Apps dynamic sessions: Not listed; E2B: Per second

Limits

Max session: Azure Container Apps dynamic sessions: Not listed; E2B: 24 hours
Idle stop: Azure Container Apps dynamic sessions: Not listed; E2B: Not listed
Largest sandbox: Azure Container Apps dynamic sessions: Not listed; E2B: 8 vCPU · 8 GiB
Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; E2B: Up to 1,100

Platform

Isolation: Azure Container Apps dynamic sessions: Full VM; E2B: Firecracker microVM
GPU: Azure Container Apps dynamic sessions: Not listed; E2B: No
Snapshots: Azure Container Apps dynamic sessions: Not listed; E2B:
Pause and resume: Azure Container Apps dynamic sessions: Not listed; E2B:

Developer

SDKs: Azure Container Apps dynamic sessions: Not listed; E2B: Python, JavaScript / TypeScript
Integrations: Azure Container Apps dynamic sessions: LangChain; E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP

Trust

License: Azure Container Apps dynamic sessions: Not listed; E2B: Apache-2.0
BYOC: Azure Container Apps dynamic sessions: Not listed; E2B: Enterprise plan

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps dynamic sessions

E2B

1 vCPU · 2 GiB: Azure Container Apps dynamic sessions: Not listed; E2B: $0.083
2 vCPU · 4 GiB: Azure Container Apps dynamic sessions: Not listed; E2B: $0.166
4 vCPU · 8 GiB: Azure Container Apps dynamic sessions: Not listed; E2B: $0.331

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.

E2B fits when

You want each sandbox in its own microVM.
You want an open-source platform (Apache-2.0) that you can self-host.
You use the OpenAI Agents SDK, the Vercel AI SDK or MCP.
You need snapshots.

More comparisons

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Azure Container Apps dynamic sessions

E2B

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps dynamic sessions fits when

E2B fits when

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