Amazon Alexa

What Is Amazon Alexa?

Amazon Alexa is Amazon's cloud-based voice AI assistant, launched in 2014 alongside the Amazon Echo smart speaker. With over 500 million Alexa-enabled devices sold globally, Alexa is the most widely deployed AI assistant in the world — managing smart home devices, answering questions, playing music, setting reminders, shopping on Amazon, and running a library of 100,000+ third-party Skills.

Alexa+ — Generative AI Upgrade

In 2025, Amazon launched Alexa+ — a major upgrade powered by large language models that gives Alexa genuine conversational intelligence. Alexa+ can hold extended natural conversations, complete complex multi-step tasks (like researching and booking a restaurant), and take actions across connected apps without step-by-step voice commands.

Smart Home Control

Alexa integrates with thousands of smart home devices — lights, thermostats, locks, cameras, plugs, and appliances from hundreds of manufacturers. Voice commands control individual devices, rooms, or entire home routines with a single phrase. Works with Matter, Zigbee, and Z-Wave for broad ecosystem compatibility.

Skills Ecosystem

The Alexa Skills Kit enables third-party developers to build voice applications — Skills. The 100,000+ available Skills cover everything from guided meditation to Jeopardy!, smart appliance controls to real-time flight tracking. Custom Skills enable businesses to build branded voice experiences.

Alexa for Business

Enterprise deployments use Alexa for Business to manage conference room booking, company-specific FAQs, visitor management, and workplace IoT through voice — extending Alexa's consumer assistant capabilities into professional environments.