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The AI Toolkit for TypeScript
From the creators of Next.js, the AI SDK is a free open-source library that gives you the tools you need to build AI-powered products.
npm i ai
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Trusted by builders at

Unified Provider API

Switch between AI providers by changing a single line of code.

Make a music player

Generative UI

Create dynamic, AI-powered user interfaces that amaze your users.

Framework-agnostic

Build with React, Next, Vue, Nuxt, SvelteKit, and more.

Streaming AI Responses

Don't let your users wait for AI responses. Send them instantly.

What builders say about the AI SDK
sunil “yeah no” pai's avatar

sunil “yeah no” pai

@threepointone

vercel ai sdk is very good actually

what have folks built with it that's NOT a chat thing?

chambaz ⬛︎'s avatar

chambaz ⬛︎

@chambaz

the @vercel ai sdk is very good

sami's avatar

sami

@svmisvhn

huge shoutout to @vercel for the ai sdk, one API for all LLMS is 🤯

Jordi's avatar

Jordi

@Jordi_Up

vercel's ai sdk is insanely good, dropped >1 month ago and the only examples i'm seeing are from vercel staff (much alpha), if you're building ai web tooling, this is a friendly reminder to go hack on it

Harsh Agrawal's avatar

Harsh Agrawal

@itsharshag

ai-sdk by @vercel is so good, finally tried it out, should have tried it much much earlier ✨

EGOIST's avatar

EGOIST

@localhost_5173

Vercel AI SDK is so good, there's no reason to directly use npm/openai or npm/claude anymore

sergii's avatar

sergii

@SergiiKirianov

Vercel AI SDK is so damn good

Jenn Mueng's avatar

Jenn Mueng

@jennmueng

Damn @lgrammel you popped off with the @vercel AI SDK.
Been building Agents in Python for a year + tried everything from LlamaIndex and Langchain.
Being able to just define tools in zod and set maxToolRoundTrips to get a multi-step agent is a crazy good DX.
Wish we could swap over to TS and use this at Sentry...

Pontus Abrahamsson's avatar

Pontus Abrahamsson

@pontusab

With the ai sdk available i'm always thinking: "How can I make this process as automatic as possible for the user?" because the barrier to implementing it is just a matter of minutes.

Tom Watkins's avatar

Tom Watkins

@TomWatkins1994

the AI SDK is S tier software

Hunter Johnston's avatar

Hunter Johnston

@huntabyte

The AI SDK is so good. Thank you.

Stefan Vukmanovic's avatar

Stefan Vukmanovic

@Vukmanovic24

Literally a fantastic building experience with Vercel ai sdk we are currently slowly implementing it and i must say it feels so satisfying to both build and later use

FAQs

Yes, the AI SDK is free and open source.

Visit our getting started page to learn how to install the AI SDK with your preferred framework.

We welcome contributions from the community! You can contribute by submitting bug reports, feature requests, or pull requests on our GitHub repository.