Vercel AI SDK

Vercel AI SDK

AI-first web app toolkit

1 case studies
4 specialists
Coding Dev Framework

What it's used for

The Vercel AI SDK is used to build AI-powered web applications with streaming chat interfaces, generative UI, and tool calling in Next.js, Nuxt, and SvelteKit. It provides React hooks and server functions that handle streaming LLM responses, managing conversation state, and rendering AI outputs incrementally in the browser.

Getting started

Install with `npm install ai @ai-sdk/openai` in your Next.js or other supported framework project. Set your OPENAI_API_KEY in `.env.local` and use the `streamText()` function in an API route. On the frontend, use the `useChat()` hook to get a ready-made chat interface with streaming support.

$ npm install ai @ai-sdk/openai` in your Next

Case studies

Real Vercel AI SDK projects

4 hours to production Market Research

Streaming AI Chat with Tool Use — Built in 4 Hours

B2B market research SaaS

Challenge

A market research SaaS needed to add a conversational AI interface supporting streaming responses, tool calls (web search, chart generation, data queries), and session history — estimated at 2 weeks of work.

Solution

Built the complete chat interface using Vercel AI SDK's useChat hook with streaming, tool call rendering, and optimistic UI. SDK abstracted the Claude API integration, streaming state, and error handling into a few hundred lines.

Results

Production-ready streaming chat with tool use shipped in 4 hours. Feature drove 34% increase in daily active users within 2 weeks of launch. NPS improved from 41 to 67.

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