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Vercel AI SDK

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The AI Toolkit for TypeScript

Updated Nov 23, 2025
API/SDK ToolOpen Source

About

The AI SDK is the TypeScript toolkit designed to help developers build AI-powered applications with Next.js, Vue, Svelte, Node.js, and more. Integrating LLMs into applications is complicated and heavily dependent on the specific model provider you use. The AI SDK abstracts away the differences between model providers, eliminates boilerplate code for building chatbots, and allows you to go beyond text output to generate rich, interactive components.

Key Features

  • Unified API for LLMs
  • Text generation
  • Structured JSON data generation
  • Tool calling support

Use Cases

  • Building AI-powered applications

Technical Details

Languages

TypeScriptJavaScript

Integrations

LangChainLangFuseLiteLLMLlamaIndexMastraPydantic AI

Frequently Asked Questions

What is Vercel AI SDK?

The AI SDK is the TypeScript toolkit designed to help developers build AI-powered applications with Next.js, Vue, Svelte, Node.js, and more. Integrating LLMs into applications is complicated and heavily dependent on the specific model provider you use. The AI SDK abstracts away the differences between model providers, eliminates boilerplate code for building chatbots, and allows you to go beyond text output to generate rich, interactive components.

Is Vercel AI SDK free?

Yes, Vercel AI SDK is open source and free to use.

What programming languages does Vercel AI SDK support?

Vercel AI SDK supports 2+ programming languages including TypeScript, JavaScript.

What can Vercel AI SDK do?

Vercel AI SDK provides code generation, AI chat. Key features include: Unified API for LLMs, Text generation, Structured JSON data generation.

Pricing

Company

Name
Vercel
Founded
Location

Links