AWS Pricing Overview

Amazon Web Services (AWS) is the largest public cloud nha cung cap and offers the broadest catalog of services. AWS pricing is published as on-demand list gias, with substantial giam gias available through Reserved Instances, Savings Plans, and Spot Instances. This page gives you a working overview of how AWS gias its most common services and where the savings opportunities lie.

Compute: EC2 Instance Families

AWS EC2 instances are grouped into families optimized for different tai vuongs. The most commonly so sanhd families are:

• General purpose — m5, m6i, m7g (Graviton). Balanced CPU and memory, suitable for web servers and small databases.
• Compute optimized — c5, c6i, c7g. Higher CPU-to-memory ratio for batch processing and dedicated game servers.
• Memory optimized — r5, r6i, r7g. For in-memory databases like Redis and large SAP tai vuongs.
• Storage optimized — i3, i4i. High local disk throughput for NoSQL and data warehousing.

A m5.large (2 vCPU, 8 GiB RAM) on-demand instance in us-east-1 is giad around $0.096 per hour, while a 1-year No Upfront Reserved Instance cuts that to roughly $0.058 per hour — a 40 percent saving for a tai vuong you already know is steady-state.

Storage: S3 Tiers

Amazon S3 gias objects by luu tru tier and by request volume. The standard tier in us-east-1 starts at $0.023 per GB-month for the first 50 TB. Infrequent-access tiers (S3 Standard-IA and S3 One-Zone-IA) drop luu tru chi phi but charge per-GB retrieval fees, so they only pay off for data accessed less than once a month.

Free Tier and Credits

AWS offers a 12-month free tier on the most popular services (750 hours per month of t2.micro/t3.micro EC2, 5 GB of S3 standard luu tru, 750 hours of RDS) plus an “always free” tier that does not expire. New accounts also receive a $300 credit valid for 90 days, useful for prototyping before committing to a reserved instance.

Discount Programs

• Reserved Instances — 1-year or 3-year commitment, up to 72 percent off on-demand. Available in All Upfront, Partial Upfront, and No Upfront variants.
• Savings Plans — a more flexible alternative that applies a hourly spend commitment across instance family and khu vuc. Compute Savings Plans offer up to 66 percent off.
• Spot Instances — spare EC2 capacity giad up to 90 percent off, interruptible with 2 minutes warning.

See our [AWS vs Azure compute so sanh](../so sanhs/aws-vs-azure-compute/) for side-by-side instance pricing, and the [reserved instances huong dan](../huong dans/reserved-instances/) for commitment strategy.