AWS A1 instance types

A1 is a general purpose Amazon EC2 family with 6 instance types, from 1 – 16 vCPUs and 2 GiB – 32 GiB of memory, running on AWS Graviton Processor. Linux on demand starts at $0.0255 per hour.

general purposearm64previous generation

sizes: 6
vCPUs: 1 – 16
memory: 2 GiB – 32 GiB
processor: AWS Graviton Processor
on-demand from: $0.0255

Compare sizes

A1 sizes and prices

Linux, hourly, US East (N. Virginia) (other regions on each size's page)

Size	vCPU	Memory	Local storage	On-demand	Monthly	Spot
a1.medium	1	2 GiB	–	$0.0255	$18.62	$0.0109
a1.large	2	4 GiB	–	$0.051	$37.23	$0.0242
a1.xlarge	4	8 GiB	–	$0.102	$74.46	$0.056
a1.2xlarge	8	16 GiB	–	$0.204	$149	$0.1029
a1.4xlarge	16	32 GiB	–	$0.408	$298	$0.1986
a1.metal	16	32 GiB	–	$0.408	$298	$0.1723

A1 equivalents on other clouds

closest match to a1.xlarge (4 vCPU, 8 GiB)

AzureD4pls v6Dplsv6 family · 4 vCPU · 8 GiB$0.124/hr · East USDplsv6 family →

Google Cloudn4a-highcpu-4N4A family · 4 vCPU · 8 GiB$0.1299/hr · IowaN4A family →

AkamaiDedicated 8GBDedicated CPU family · 4 vCPU · 8 GiB$0.108/hr · Newark, NJDedicated CPU family →

Vultrvoc-c-4c-8gb-75s-amdOptimized Cloud: CPU Optimized family · 4 vCPU · 8 GiB$0.11/hr · New JerseyOptimized Cloud: CPU Optimized family →

Other general purpose families on AWS

M4 6 M5 9 M5a 8 M5ad 8 M5d 9 M5dn 9 M5n 9 M5zn 7 M6a 11 M6g 9 M6gd 9 M6i 10 M6id 10 M6idn 10 M6in 10 M7a 12 M7g 9 M7gd 9 M7i 11 M7i-flex 7 M8a 12 M8azn 9 M8g 12 M8gb 12 M8gd 12 M8gn 12 M8i 13 M8i-flex 7 M8ib 13 M8id 13

A1 FAQ

What sizes does the AWS A1 family have?

A1 has 6 instance types, from a1.medium (1 vCPU, 2 GiB) to a1.metal (16 vCPU, 32 GiB). They run on AWS Graviton Processor.

What is the cheapest A1 instance type?

a1.medium at $0.0255 per hour (Linux, on demand) in US East (N. Virginia), about $18.62 per month.

What is A1 best for?

A1 is a general purpose family. Balanced CPU and memory (about 4 GiB per vCPU) for web apps, services and most workloads.