Programming Free

AI SDK

Free open-source TypeScript toolkit for streaming multi-model AI apps

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PricingFree
Free planYes
Free trialYes
APIUnknown
Open sourceYes
DeploymentSelf Hosted
Last verifiedJuly 29, 2026
Overview

Tool overview

AI SDK is listed under Programming AI tools.

Summary

What is AI SDK?

Vercel AI SDK is a free Apache-2.0 TypeScript toolkit for building AI applications and production agents with streaming, tool calling, structured output, provider abstraction, and UI integrations across major JavaScript frameworks.

Best fit

Best for

JavaScript and TypeScript teams building provider-flexible AI products

Audience

Who is it for?

Full-stack TypeScript developersNext.js application teamsAI agent buildersPlatform engineers standardizing model access
Recommendation

Decision note

Rebuilt from the original export under V412/V411 independent factual verification. Preview only; Apply requires Failures = 0, Warnings = 0, Unmapped = 0, Missing = 0, reviewed explicit clears, image import disabled or V380 PASS, representative edit-screen comparison, and a zero-change post-Apply Preview.

Capabilities

Key features

Provider-agnostic model and embedding interfaces

Streaming text, objects, and tool calls

React, Next.js, Vue, Svelte, and Node support

Agent adapters, middleware, and AI SDK UI

Workflows

Use cases

Build streaming AI chat interfaces

Create tool-using TypeScript agents

Switch model providers with common APIs

Add structured generation to web applications

Strengths

Pros

  • Free for personal and commercial development
  • Apache-2.0 open-source license
  • Broad framework and provider ecosystem
Considerations

Limitations

The SDK itself is free, but model APIs, gateways, observability, and hosting may create separate charges.

It is a software library rather than a hosted public API product, so the stale API-availability snapshot is explicitly cleared.

Cost

Pricing details

Pricing modelFree
Free planYes
Free trialYes
Pricing context

Billing options

Free open-source library

Pricing context

Pricing note

AI SDK is a free open-source library. Model-provider usage, AI Gateway, observability, and hosting are separate optional services with their own pricing.

View official pricing
Compatibility

Supported programming languages

  • English
Connectivity

Integrations

OpenAI

Anthropic

Google

AI Gateway

Agent runtimes

Specs

Technical details

PlatformsWeb
Multilingual supportUnknown
Login requiredNo
Open sourceYes
LicenseApache-2.0
DeploymentSelf Hosted
CompanyVercel
Current versionAI SDK 7
Models / versionsAI SDK 7 Provider adapters
Editions / plansAI SDK Core AI SDK UI Provider packages
Data confidenceHigh
Last verifiedJuly 29, 2026
Documentation → Source code → Release notes → Data source →
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Answers

Frequently asked questions

Vercel AI SDK is a free Apache-2.0 TypeScript toolkit for building AI applications and production agents with streaming, tool calling, structured output, provider abstraction, and UI integrations across major JavaScript frameworks.
JavaScript and TypeScript teams building provider-flexible AI products
The listed pricing model for AI SDK is Free. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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