As mentioned earlier, the Consumption plan is priced based on the number of function executions and the execution time/consumed resources. This plan dynamically allocates resources based on the load.
Function's resource consumption is measured in gigabyte seconds, or GB-s, calculated by multiplying the average memory size (in GB) consumed by the function, by the time (in seconds) the function takes to execute. The maximum allowed memory per function is 1,536 MB. To learn more, please visit https://azure.microsoft.com/en-us/pricing/details/functions/.
The Consumption plan comes with a free grant of 1 M executions and 400,000 GB-s. The free grant is per Azure subscription (combined over all Function Apps in the subscription): ...
