Vercel AI SDK
TypeScript toolkit for building AI-powered applications.
About Vercel AI SDK
The Vercel AI SDK (also known as AI SDK) is an open-source TypeScript library for building AI-powered applications. It provides unified APIs for working with any LLM provider, streaming UI components for React, and tools for building AI agents — the standard for AI apps in the Next.js ecosystem.
Key Features
- Unified API for all LLM providers
- Streaming UI components for React/Next.js
- Tool calling and function execution
- Structured output (JSON schema)
- AI agent framework
- Multi-step conversations
- Provider adapters (OpenAI, Anthropic, Google, etc.)
- Edge runtime compatible
Pros
- Best SDK for AI apps in Next.js/React
- Provider-agnostic — switch models easily
- Streaming UI is excellent for chat interfaces
- Open-source with strong Vercel backing
Cons
- TypeScript/JavaScript only
- Tightly coupled with React ecosystem
- Rapidly evolving API — breaking changes possible
Integrations
Best Use Cases
- AI chatbot development
- AI-powered web applications
- Multi-provider LLM integration
- Streaming AI interfaces
Vercel AI SDK Alternatives
Looking for alternatives to Vercel AI SDK? See all Vercel AI SDK alternatives →
Quick Info
- Website
- sdk.vercel.ai
- Founded
- 2023
- Company
- 200-500
- Pricing
- free
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