Vercel AI SDK Has a Free API You Should Know About

Vercel AI SDK is a TypeScript toolkit for building AI-powered applications with React Server Components, streaming, and tool calling — designed for the Next.js ecosystem. Why Vercel AI SDK for Web AI Apps A Next.js developer wanted to add a streaming chatbot. Raw fetch calls with SSE parsing, state management for messages, and UI updates took 500 lines. Vercel AI SDK: 20 lines. Key Features: Streaming — Token-by-token streaming with React hooks Multi-Provider — OpenAI, Anthropic, Google, Mistral, and more Tool Calling — Define and execute tools from the frontend Generative UI — Stream React components from the server Edge Runtime — Works with Vercel Edge Functions Quick Start npm install ai @ai-sdk/openai Server (Next.js Route) import { openai } from " @ai-sdk/openai " import { streamText } from " ai " export async function POST ( req : Request ) { const { messages } = await req . json () const result = streamText ({ model : openai ( " gpt-4 " ), messages }) return result . toDataStrea