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AI SDK

The AI SDK is a free, open-source TypeScript library developed by the creators of Next.js, designed to simplify the development of AI-powered products.

Free tierPrice verified 2026-10-08Visit site ↗
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Our verdict

Who it's for

The open-source TypeScript toolkit for building AI-powered applications.

Pros

  • +Free and open-source
  • +Simplifies AI integration with a unified API
  • +Rapid development from idea to working AI app
  • +Excellent documentation and abstractions
  • +Supports streaming for better user experience

Key features

  • ✓Unified Provider API for AI models
  • ✓Generative UI capabilities
  • ✓Framework-agnostic (React, Next, Vue, Nuxt, SvelteKit)
  • ✓Streaming AI responses
  • ✓Tool streaming
  • ✓Multi-turn tool execution
  • ✓Error handling and recovery
  • ✓Generate typed JSON objects from models

Pricing

PlanPriceBillingNotes
Free—monthOpen-source library; Unified Provider API; Generative UI

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