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Amazon Braket

OpenQAOA supports Braket and all gate-based QPU present on braket. For the freshest list, please check the Braket's documentation

Currently, the available devices are

Item Device Name Paradigm Type Device ARN Region
IonQ ionQdevice gate-based QPU arn:aws:braket:::device/qpu/ionq/ionQdevice us-east-1
Oxford Quantum Circuits Lucy gate-based QPU arn:aws:braket:eu-west-2::device/qpu/oqc/Lucy eu-west-2
Rigetti Aspen M-3 gate-based QPU arn:aws:braket:us-west-1::device/qpu/rigetti/Aspen-M-3 us-west-1
AWS SV1 gate-based SIM arn:aws:braket:::device/quantum-simulator/amazon/sv1 *
AWS DM1 gate-based SIM arn:aws:braket:::device/quantum-simulator/amazon/dm1 *
AWS TN1 gate-based SIM arn:aws:braket:::device/quantum-simulator/amazon/tn1 *


Any computations on AWS braket carry a financial cost. Please, make sure you are conformable with the latest Amazon Braket pricing model before continuing!

How to connect to AWS braket

There are two ways to access the devices on Braket:

Access through your own laptop

In order to access Braket's services from your own device you will need to authenticate. This is a two step process. First, you need to create a pair of Access Key and Secret Access Key


Access keys are really dangerous. If leaked, they may compromise your AWS account.

To create and configure the access keys follow the this guide

If you are on a unix machine, then you will be able to set your credentials through the AWS Command Line Interface

$ aws configure
AWS Access Key ID [None]: AKIAI******EXAMPLE
AWS Secret Access Key [None]: wJalrXU******EXAMPLEKEY
Default region name [None]: us-west-1
Default output format [None]: json

OpenQAOA, via the Braket SDK, checks for the credentials on your local machine, and proceeds to authenticate.

Access through Braket hosted notebooks

You can get started by following Braket's official docs. Once you are on a hosted notebook, all you will need to do is to create an aws device.

Creating a Braket device

The procedure is simple:

from openqaoa import QAOA, create_device

q = QAOA()

sv1_device = create_device(location='aws', 

Find an Available Device

If you are unsure about what devices are available to you, you can do the following:

from openqaoa import create_device

device = create_device(location='aws', 


The attribute check_connection authenticates your Braket credentials while available_qpus returns a list of Braket device arn strings representing the available devices to your Braket account, based on your access keys.


Note that the list of available devices depend on the aws_region. If the device you are looking for does not exist, try another region name.

Once you've selected the desired device, recreate the device object with the selected device's arn name as name in the create_device function.