Amazon Ec2 Pricing
Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud
computing easier for developers. Amazon EC2’s simple web service interface allows you to obtain and configure capacity with minimal friction. It provides you with complete control of your computing resources and lets you run on Amazon’s proven computing environment. Amazon EMR is designed to reduce the cost of processing large amounts of data. Some of the features that make it low cost include low hourly pricing, Amazon EC2 Spot integration, Amazon EC2 Reserved Instance integration, elasticity, and Amazon S3 integration. For applications that benefit from a low cost per CPU, you should try compute-optimized instances (C1 or CC2) first. For applications that require the lowest cost per GiB of memory, we recommend memory-optimized instances (M2 or CR1) and AWS ec2 describe-instances.
AWS EC2 Pricing
AWS itself claims that EC2 is inexpensive and that users “pay a very low rate for the compute you actually consume”. EC2 usage is billed in one-second increments, with a minimum of 60 seconds. Similarly, provisioned storage for EBS volumes will be billed per-second increments, with a 60-second minimum. Per-second billing is available for instances launched in On-Demand, Reserved, and Spot forms. There are a lot of sites to know pricing and comparison.