How much does Vercel AI SDK cost?

Vercel AI SDK is open source and free to self-host. Cloud hosting options may have separate pricing.

Does Vercel AI SDK have an API?

Yes, Vercel AI SDK offers a public API for developers to integrate its capabilities into custom applications and workflows.

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Vercel AI SDK

Q: What can Vercel AI SDK do?

Vercel AI SDK can: Unified API for multiple AI providers, Generative UI for dynamic user interfaces, Streaming AI responses for instant feedback, Framework-agnostic (React, Next.js, Vue, SvelteKit). Best for: Building AI-powered web applications with TypeScript.

Open-source SDK

TypeScript-first

Multi-model support

Generative UI toolkit

Developer-focused

Build AI-powered applications and agents with a free, open-source TypeScript library.

Last updated: May 13, 2026

OPEN_SOURCE

ai-sdk.dev

Quick Answer

Vercel AI SDK is a free, open-source TypeScript library for building AI-powered applications and agents. It offers a unified API for various LLMs, supports generative UIs, and enables streaming responses. Best for developers creating web applications with AI features across multiple frameworks. It is free and open-source.

About Vercel AI SDK

The Vercel AI SDK is a free, open-source TypeScript library for building AI-powered applications and agents. It provides tools for generative UI, streaming AI responses, and switching between various AI model providers with a unified API. Designed for developers, it integrates seamlessly with frameworks like Next.js, React, Vue, and SvelteKit.

What Makes It Unique

The AI SDK offers a unified provider API that allows developers to switch between different AI model providers by changing a single line of code, along with robust support for generative user interfaces and streaming AI responses.

AI-extracted from public sources. May contain errors. Methodology · Are you Vercel AI SDK? Claim listing

Use Cases & Target Users

Use Cases

Best For

Building AI-powered web applications with TypeScript

Integrating diverse AI models into a single codebase

Creating dynamic and interactive generative UIs

Developing AI agents with tool-use capabilities

Streamlining AI response handling in web apps

Company Size

SOLO

SMALL

MEDIUM

ENTERPRISE

Fit Score

Complexity

ADVANCED

Target Team Size

INDIVIDUAL

SMALL_TEAM

LARGE_TEAM

Target Skill Level

EXPERT

Key Features

Unified API for multiple AI providers

Generative UI for dynamic user interfaces

Streaming AI responses for instant feedback

Framework-agnostic (React, Next.js, Vue, SvelteKit)

Tool calling and agent building capabilities

Structured data generation from LLMs

Technical Specifications

API Available

SDK Available

MCP Compatible

Open Source

Team Features

SSO/Enterprise

Webhook Support

Has Demo

Function Calling

Browser Extension

Sandbox Mode

Audit Logs

Free Plan

No Signup

Works Offline

Requires Host App

Framework

MCP Server

IDE Plugin

Inference API

SCIM Provisioning

Developer Access

API

ENTERPRISE

SDK

Deployment:

HYBRID

Uses models:16

Pros

+Free and open-source, reducing development costs
+Unified API simplifies switching between AI model providers
+Supports popular web frameworks like Next.js, React, Vue, and SvelteKit
+Includes DevTools for comprehensive debugging and visibility into AI interactions
+Enables streaming AI responses for improved user experience
+Strong community support via GitHub discussions and extensive documentation

Limitations

-Primarily focused on TypeScript/JavaScript ecosystem
-Requires developer expertise for implementation
-DevTools are experimental and not for production use
-Relies on external AI providers for core AI capabilities
-No built-in hosting or deployment, relies on platforms like Vercel

Base Models

OpenAIAnthropicGoogle Generative AIxAI GrokAzureAmazon BedrockGroqDeepInfraGoogle Vertex AIMistral LargeTogether.aiCohereFireworksDeepSeek V3CerebrasPerplexityBaseten

Uses Models

GPT-4Claude Opus 4.5Grok 4.1Google Vertex