What is the app pricing model that offers full functionality once a payment is made?

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  5. Azure Functions

Execute event-driven serverless code functions with an end-to-end development experience

Azure Functions provide a serverless development experience supporting a robust set of event triggers and data bindings.

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  • Pay as you go

    Pay for compute capacity by the second, with no long-term commitments or upfront payments. Increase or decrease consumption on demand.

  • Azure savings plan for compute

    Save money across select compute services globally by committing to spend a fixed hourly amount for 1 or 3 years, unlocking lower prices until you reach your hourly commitment. Suited for dynamic workloads while accommodating for planned or unplanned changes.

Apply filters to customize pricing options to your needs.

Prices are estimates only and are not intended as actual price quotes. Actual pricing may vary depending on the type of agreement entered with Microsoft, date of purchase, and the currency exchange rate. Prices are calculated based on US dollars and converted using Thomson Reuters benchmark rates refreshed on the first day of each calendar month. Sign in to the Azure pricing calculator to see pricing based on your current program/offer with Microsoft. Contact an Azure sales specialist for more information on pricing or to request a price quote. For more information on Azure pricing see frequently asked questions.

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US government entities are eligible to purchase Azure Government services from a licensing solution provider with no upfront financial commitment, or directly through a pay-as-you-go online subscription.

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Important—The price in R$ is merely a reference; this is an international transaction and the final price is subject to exchange rates and the inclusion of IOF taxes. An eNF will not be issued.

US government entities are eligible to purchase Azure Government services from a licensing solution provider with no upfront financial commitment, or directly through a pay-as-you-go online subscription.

Learn more

Important—The price in R$ is merely a reference; this is an international transaction and the final price is subject to exchange rates and the inclusion of IOF taxes. An eNF will not be issued.

Consumption

Azure Functions consumption plan is billed based on per-second resource consumption and executions. Consumption plan pricing includes a monthly free grant of 1 million requests and 400,000 GB-s of resource consumption per month per subscription in pay-as-you-go pricing across all function apps in that subscription. Azure Functions Premium plan provides enhanced performance and is billed on a per second basis based on the number of vCPU-s and GB-s your Premium Functions consume. Customers can also run Functions within their App Service plan at regular App Service plan rates.

*Free grants apply to paid, consumption subscriptions only.

MeterFree Grant (Per Month)Pay as you go
Execution Time* 400,000 GB-s $-/GB-s
Total Executions* 1 million executions $- per million executions

Premium plan

Azure Functions Premium plan provides the same features and scaling mechanism used on the Consumption plan (based on number of events) with no cold start, enhanced performance and VNET access. Billing for the Premium plan is based on the number of core seconds and memory allocated across instances. There is no execution charge with the Premium plan. At least one instance must be allocated at all times per plan. To learn more, see Azure Premium Plan details.

When creating or scaling your plan, you can choose between three instance sizes. You will be billed for the total number of cores and memory provisioned, per second that each instance is allocated to you. Your app can automatically scale out to multiple instances as needed.

MeterPay as you go1 year savings plan3 year savings plan
vCPU duration vCPU: $- vCPU: $-
vCPU: $-
Memory duration Memory: $- Memory: $-
Memory: $-

Functions on Kubernetes (In Preview)

Now in Preview, Functions can run on pre-provisioned Kubernetes clusters in Azure Kubernetes Service or on Arc-enabled clusters on-premises and in other clouds. This capability is currently free* during Preview.

*Note customers will still pay for the underlying Kubernetes infrastructure and are responsible for managing and scaling their own node pools. Learn more about the capabilities of Functions on Azure Arc.

Executions

Functions are billed based on total number of requested executions each month for all functions. Executions are counted each time a function is executed in response to an event, triggered by a binding. The first million executions are included free each month.

Resource consumption

Functions are billed based on observed resource consumption measured in gigabyte seconds (GB-s). Observed resource consumption is calculated by multiplying average memory size in gigabytes by the time in milliseconds it takes to execute the function. Memory used by a function is measured by rounding up to the nearest 128 MB, up to the maximum memory size of 1,536 MB, with execution time calculated by rounding up to the nearest 1 ms. The minimum execution time and memory for a single function execution is 100 ms and 128 mb respectively. Functions pricing includes a monthly free grant of 400,000 GB-s.

Azure Functions can be used with Azure IoT Edge at no charge.

Functions Proxies

The same pricing applies to Functions Proxies. A proxy is a function that is triggered by an HTTP request. Memory used by a proxy is less than 128 MB. Proxy execution time is the round-trip time (request to response), because the proxy needs to stay up to keep the HTTP connection alive. If a proxy triggers a function, the function execution and memory usage is counted separately.

Pricing example

A function with observed memory consumption of 512 MB executes 3,000,000 times during the month and has an execution duration of one second. Monthly billing would be calculated as follows:

Resource Consumption Billing Calculation

Resource consumption (seconds)
Executions 3 million executions
Execution duration (seconds) 1 second
Resource consumption Total 3 million seconds
Resource consumption (GB-s)
Resource consumption converted to GBs 512 MB / 1,024 MB
Execution time (seconds) 3 million seconds
Total GB-s 1.5 million GB-s
Billable resource consumption
Resource consumption 1.5 million GB-s
Monthly free grant 400,000 GB-s
Total billable consumption 1.1 million GB-s
Monthly resource consumption cost
Billable resource consumption 1.1 million GB-s
Resource consumption price $-/GB-s
Total cost $17.6

Executions billing calculation

Billable executions
Total monthly executions 3 million executions
Monthly free executions 1 million executions
Monthly billable executions 2 million executions
Monthly executions cost
Monthly billable executions 2 million executions
Price per million executions $-
Monthly execution cost $-

Total consumption billing calculation

Total monthly cost
Monthly resource consumption cost $17.6
Monthly executions cost $-
Total monthly cost $-

More information

  • Functions can also be hosted on App Service Virtual Machines
  • Check out Azure Functions documentation for the latest information
  • Azure Functions developer reference

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Additional resources

Azure Functions

Learn more about Azure Functions features and capabilities.

Pricing calculator

Estimate your expected monthly costs for using any combination of Azure products.

SLA

Review the Service Level Agreement for Azure Functions.

Documentation

Review technical tutorials, videos, and more Azure Functions resources.

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