Azure Container Apps dynamic sessions vs Shardflux

Shardflux costs $0.04 per vCPU-hour. Azure Container Apps dynamic sessions runs full VMs. Shardflux runs Firecracker microVMs and offers GPUs.

Updated Oct 15, 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

Shardflux

Serverless VMs for cloud agents that park when idle and keep their state.

Isolation: Firecracker microVM
Free tier: 30-day Pro trial, no card needed
Max session: Not listed

Visit site Shardflux profile

What is different

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

Field

Azure Container Apps dynamic sessions

Shardflux

Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Shardflux: Up to 200
Isolation: Azure Container Apps dynamic sessions: Full VM; Shardflux: Firecracker microVM
Integrations: Azure Container Apps dynamic sessions: LangChain; Shardflux: Claude Code, 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

Shardfluxshardflux.dev/#pricingshardflux.dev

Pricing

vCPU, per hour: Azure Container Apps dynamic sessions: Not listed; Shardflux: $0.04
RAM, per GiB-hour: Azure Container Apps dynamic sessions: Not listed; Shardflux: $0.015
Storage: Azure Container Apps dynamic sessions: Not listed; Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier: Azure Container Apps dynamic sessions: Not listed; Shardflux: 30-day Pro trial, no card needed
Paid plan from: Azure Container Apps dynamic sessions: Not listed; Shardflux: $9 / month
Billing: Azure Container Apps dynamic sessions: Not listed; Shardflux: Active CPU time only

Limits

Max session: Azure Container Apps dynamic sessions: Not listed; Shardflux: Not listed
Idle stop: Azure Container Apps dynamic sessions: Not listed; Shardflux: Not listed
Largest sandbox: Azure Container Apps dynamic sessions: Not listed; Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes: Azure Container Apps dynamic sessions: Up to 600; Shardflux: Up to 200

Platform

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

Developer

SDKs: Azure Container Apps dynamic sessions: Not listed; Shardflux: TypeScript, Python
Integrations: Azure Container Apps dynamic sessions: LangChain; Shardflux: Claude Code, MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

Azure Container Apps dynamic sessions

Shardflux

1 vCPU · 2 GiB: Azure Container Apps dynamic sessions: Not listed; Shardflux: $0.070
2 vCPU · 4 GiB: Azure Container Apps dynamic sessions: Not listed; Shardflux: $0.140
4 vCPU · 8 GiB: Azure Container Apps dynamic sessions: Not listed; Shardflux: $0.280

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.

Shardflux fits when

You need GPUs.
You want each sandbox in its own microVM.
You use Claude Code or MCP.
You need snapshots.

More comparisons

See all comparisons

Azure Container Apps dynamic sessions

Shardflux

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Azure Container Apps dynamic sessions fits when

Shardflux fits when

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