What Is AI SDK?
AI SDK is Vercel's open-source TypeScript toolkit for building AI-powered apps and agents. It provides unified APIs for text generation, structured outputs, tool calling, streaming UI, and multi-provider model support.
Developers use it to build chatbots, agent workflows, generative interfaces, and production AI features without rewriting integration logic for every model provider.
Key Features of AI SDK
- Framework-agnostic toolkit for React, Next.js, Vue, Svelte, Node.js, and more.
- Unified APIs for text generation, structured data, tool calls, and agents.
- Streaming UI helpers for real-time AI interfaces.
- Multi-provider support and model switching.
- Works with AI Gateway, AI Elements, and other Vercel AI infrastructure.
Who Should Use AI SDK?
AI SDK is built for frontend, full-stack, and AI engineers who want a reliable foundation for production AI applications.
AI SDK Pricing
The SDK is open source. Model and platform costs depend on the providers, gateway, and hosting services you use.