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AI SDK

AI SDK

Vercel's TypeScript toolkit for AI apps and agents

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FreeAI AgentsFrameworkOpen Source3 impressions

A unified TypeScript SDK for building AI apps with modern streaming, fallbacks, and multi-model support—powered by Vercel.
AI AgentsFrameworkOpen Source

A unified TypeScript SDK for building AI apps and agents with streaming, fallbacks, and multi-model support.

for
Frontend and backend developers building AI-powered apps with JavaScript/TypeScript.
pricing
open source
license
open source
vercel/ai 27k 5.2kTypeScriptupdated 2 days ago
works withReactNext.jsVueSvelteAngularNode.jsVercel AI Gateway

Key features

6 features of AI SDK
  • Multi-provider support — Switch between AI providers with a single line of code.
  • Built-in streaming — Real-time responses work out-of-the-box without custom parsing.
  • Fallback handling — Provides reliable production behavior by default.
  • AI Gateway compatibility — Route any model through one endpoint via Vercel AI Gateway.
  • Framework-agnostic UI hooks — Hooks for React, Next.js, Vue, Svelte, Angular, etc., to build chat and generative interfaces.
  • Agent workflow tools — Supports long-running agents that can suspend, resume, and survive function timeouts.

Use cases

  • Build a multi-modal chatbot with persistence and tool calls.
  • Create a Slackbot that responds to direct messages and mentions.
  • Develop a SQL agent that translates natural language into PostgreSQL queries.

AI SDK vs alternatives

all alternatives →
AI SDKLangChainn8nCrewAI
Best forFramework-agnostic TypeScript AI SDKLLM app frameworkWorkflow automationMulti-agent platform
PricingOpen sourceFreeSubscriptionSubscription
DevHunt upvotes0000
Launched————
  • AI SDK vs LangChain: LangChain is a broader framework for LLM apps, while AI SDK is a TypeScript-focused, Vercel-integrated toolkit.
  • AI SDK vs n8n: n8n provides visual workflow automation, whereas AI SDK offers code-first AI SDK with streaming and fallbacks.
  • AI SDK vs CrewAI: CrewAI focuses on multi-agent systems, whereas AI SDK provides core SDK and UI components for single or multi-agent apps.

AI SDK FAQ

How do I install the AI SDK?+

Run `npm i ai` (or `npm i @vercel/sandbox` for sandbox features).

Which models are supported?+

Over 100 models are available through Vercel AI Gateway, including NewGrok 4.7.

Can I use the SDK with different front-end frameworks?+

Yes, the SDK provides hooks for React, Next.js, Vue, Svelte, Angular, Nuxt, Solid, and more.

Is streaming handled automatically?+

Yes, the SDK includes built-in streaming that works without custom parsing.

What about fallback behavior?+

The SDK includes built-in fallbacks to ensure reliable responses in production.

Summarized by DevHunt from ai-sdk.dev · Oct 1, 2026. Details may change; check the official site.

About this listing

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