AI SDK 3.4
Vercel ships AI SDK 3.4 — unified API across any LLM, now baked into Next.js and Svelte.

Why it matters
Developer tooling for AI applications just got simpler. A unified provider abstraction means builders can swap language models without rewriting integration code — lowering switching costs and accelerating AI app velocity.
The key facts
9 to knowOpen-source JavaScript/TypeScript toolkit
Unified provider API for multi-model support
Framework integrations: Next.js and Svelte
Published September 20, 2024
Vercel product release
AI SDK 3.4 released by Vercel
Open-source toolkit for JavaScript/TypeScript
Unified provider API supports any language model
Integrations with Next.js and Svelte
Go to the source
Vercel Blogvercel.com
Publisher excerpt: The is an open-source toolkit for building AI applications with JavaScript and TypeScript. Its unified provider API allows you to use any language model and enables powerful UI integrations into leading web frameworks such as and .AI SDKNext.jsSvelte