Developer tools
AI SDK
Vercel's open-source TypeScript toolkit for building streaming, multi-provider AI applications and agents.
AI SDK is an open-source TypeScript toolkit maintained by Vercel. It offers unified model APIs, streaming, structured output, tool calling, agent primitives, and framework-agnostic UI hooks for building AI-powered web and server applications.
Key features
- Unified APIs across multiple model providers
- Streaming UI hooks and agent-building primitives
Pros and tradeoffs
Strengths
- Provides one consistent TypeScript interface for many providers
Consider before choosing
- Application costs and behavior still depend on selected providers
What people use AI SDK for
- Build TypeScript applications that can switch among supported AI providers
Frequently asked questions
Is AI SDK tied only to Vercel hosting?
No. The open-source toolkit can be used in supported TypeScript environments, while Vercel services remain optional.
