▲ Vercel AI SDK

The Vercel AI SDK is a TypeScript toolkit for building AI-powered applications in Next.js, React, and Node.js. It provides streamText for streaming LLM responses, generateObject for typed structured output, and useChat/useObject hooks for React frontends — with built-in provider switching.

• streamText and generateText for single-call LLM completions
• generateObject with Zod schemas for validated structured output
• useChat and useObject React hooks for streaming UIs
• tool() with maxSteps for multi-step agentic loops
• Works with OpenAI, Anthropic, Google, Mistral, and Ollama