Tools

Vercel AI SDK

Apache 2.0

Development Tools

15.7K starsFreeApache 2.0

TypeScript toolkit for building AI-powered streaming UIs with React and Next.js.

About

The Vercel AI SDK provides TypeScript primitives for building AI-powered user interfaces. It handles streaming, tool calling, multi-step agents, and structured output — with first-class React hooks and server-side support.

Designed for web developers who want to add AI features to their apps without managing WebSocket connections, token streaming, or complex state machines. Works with all major model providers.

Features

React hooks for streaming AI responses
Multi-step agent loops with tool use
Structured output with Zod validation
Provider-agnostic (OpenAI, Anthropic, Google, etc.)
Server-side streaming with Next.js
Built-in rate limiting and caching

Use cases

Chat interfaces with streaming responses
AI-powered form generation and data extraction
Agent UIs with tool-use visualization
Multi-model applications with fallback

Alternatives

LangChain.jsMastraOpenAI Node SDK

Try Vercel AI SDK

Visit the official website to get started.

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