AI SDK

A unified TypeScript SDK for building AI apps with modern streaming, fallbacks, and multi-model support—powered by Vercel
See all supported LLM models
The open-source AI toolkit designed to help developers build AI-powered applications and agents with React, Next.js, Vue, Svelte, Node.js, and more.
Switch providers with one line of code.
Real-time responses without custom parsing.
Reliable production behavior by default.
Route to any model through one endpoint.
A unified API for generating text, structured objects, tool calls, and building agents with LLMs.
A set of framework-agnostic hooks for quickly building chat and generative user interfaces.
Plug the AI SDK into an entire ecosystem designed for modern AI applications that scale.
Get started with the AI SDK by using our recipes or templates.