Alexa AI

Alexa AI is Amazon's developer-facing platform for building integrations with Alexa+, the next-generation generative AI-powered assistant. The platform provides three SDKs — the Alexa AI Action SDK, Alexa AI Web Action SDK, and Alexa AI Multi-Agent SDK — that let developers connect their services to Alexa through APIs, websites, or their own agents. The developer portal page at developer.amazon.com/en-US/alexa/alexa-ai serves as the hub for this new integration architecture.

What It Is

Alexa AI is the developer platform layer that sits on top of Alexa+, Amazon's redesigned voice assistant powered by large language models and agentic capabilities. Rather than the older Alexa Skills Kit model, Alexa AI offers a new architecture that connects LLMs, agentic capabilities, services, and devices at scale. Developers use it to surface their services inside natural Alexa conversations, enabling task completion, personalization, and account linking without building a standalone skill from scratch.

Three Integration Paths

The platform offers three distinct SDK paths depending on how a developer's service is structured:

• Alexa AI Action SDK — Connect existing APIs to Alexa and leverage LLM-powered reasoning, built-in personalization, and task completion. The developer page cites OpenTable, Ticketmaster, and iRobot as examples using this path.
• Alexa AI Web Action SDK — Define tasks customers can complete on a website; Alexa navigates the site to fulfill requests. Thumbtack is cited on the developer page as using this approach to enable end-to-end home services booking.
• Alexa AI Multi-Agent SDK — Expose a developer's own agents alongside Alexa, enabling multi-agent orchestration scenarios.

Architecture and Capabilities

According to the developer page, the new Alexa architecture connects LLMs, agentic capabilities, services, and devices at scale. Key capabilities include natural language understanding for complex requests, QR-code-based external account linking for payments and consistent experiences, built-in personalization, and the ability to offload infrastructure concerns to Amazon's existing platform. The developer page describes this as enabling "complete experiences" including payments and personalized recommendations within natural conversation flows.

Audience and Use Cases

The platform targets service providers, app developers, and businesses that want their services discoverable through Alexa voice interactions. The developer page highlights use cases across restaurant reservations, home services booking, event ticketing, smart home control, and music creation. The page also references an "AI Innovators" section featuring companies in food delivery, telecom, travel, and customer service exploring AI-driven experiences.

Update: Alexa+ and New SDK Launch (2025)

The developer page references a February 2025 blog post announcing the new Alexa+ architecture and the AI-native SDKs. This represents a significant architectural shift from the original Alexa Skills Kit model toward a generative AI-first, agentic integration model. The Alexa AI developer page explicitly positions this as a new platform distinct from the legacy Alexa Skills Kit, with a sign-up flow for early access to the new SDKs. The underlying open-source Alexa Skills Kit SDK for Node.js (ASK SDK v2) remains available on GitHub under Apache License 2.0, with the latest SDK release at v2.10.0 (October 2020), though the new Alexa AI SDKs are a separate, newer offering.