AI SDK

Vercel's TypeScript toolkit for AI apps with streaming, fallbacks, and multi-model support

Aboutai-sdk.dev

AI SDK is a unified TypeScript SDK from Vercel for building AI apps. It covers streaming, fallbacks, tool calls, and many model providers behind one API. It works with Next.js, Svelte, Nuxt, and Nitro, and the site has recipes, templates, a provider list, and a playground. AI Elements, which the catalog lists, builds its UI on this SDK.

Install

npm install ai

For an agent

Use it as the data layer under any chat or agent interface in TypeScript. Pair it with AI Elements when you also need the UI components.

Why it is here. It is the most common TypeScript layer under AI chat interfaces.

Install command, framework, licence and component list.

Notable for

From Vercel
Streaming and tool calls
Many providers

Provenance

Verified 2026-10-09. HTTP 200. https://ai-sdk.dev/ (HTTP 200, page fetched 2026-10-09), https://github.com/vercel/ai (GitHub API, 27185 stars), depo.zip listing https://www.depo.zip/tools/j575nsrxttxjgrwpapbe5ev7cx81scez

Utilities & Naming