Vercel AI SDK

The Vercel AI SDK is a free, open-source library for TypeScript developers that simplifies building AI-powered products. Created by the team behind Next.js, it provides a unified API to work with any major AI provider, streaming responses, generative UI capabilities, and framework-agnostic support. Developers can go from idea to working AI app in minutes, with abstractions that handle the hard parts like stream parsing, tool streaming, multi-turn tool execution, and error handling.

• Unified Provider API — Switch between AI providers like OpenAI, Claude, and Hugging Face by changing a single line of code, eliminating vendor lock-in.
• Streaming AI Responses — Send AI responses to users instantly without waiting for full completion, improving perceived performance.
• Generative UI — Create dynamic, AI-powered user interfaces that render components based on model output.
• Framework-Agnostic — Works seamlessly with React, Next.js, Vue, Nuxt, SvelteKit, and more.
• generateObject / generateText — Call typed helper functions that return properly structured JSON objects or text from any supported model.
• Tool & Agent Support — Built-in support for multi-turn tool execution, agentic workflows, and tool streaming.
• Tools Registry — Browse and integrate pre-built tools directly into your AI applications.
• Playground — Experiment with models and prompts interactively at ai-sdk.dev/playground before writing code.
• Cookbook & Docs — Extensive documentation, recipes, and examples to accelerate development.
• Open Source — Fully open source with an active community; contribute via GitHub issues, PRs, and discussions.

To get started, install the SDK with npm i ai, visit the getting started page, and choose your preferred framework and AI provider. The SDK handles authentication, streaming, and response parsing so you can focus on building features.