Vercel AI SDK v6

The definitive TypeScript toolkit for building production-ready AI interfaces with streaming, tool calling, and multi-model support.

Vercel AI SDK v6 streamlines the bridge between LLMs and frontend frameworks like React, Next.js, and Svelte. It provides a unified API to swap providers (OpenAI, Anthropic, Google) using the `generateText` and `streamText` functions. Version 6 introduces refined hooks for managing UI state (useChat, useCompletion) and robust support for server-side tool calling. By decoupling model logic from the view layer, it allows developers to ship complex generative features (structured data extraction, multi-step agents) with minimal boilerplate and maximum performance.

https://sdk.vercel.ai/docs