Vercel AI SDK

TypeScript toolkit for building AI applications

Vercel AI SDK provides TypeScript primitives for building AI-powered applications. Streaming text and object generation, tool calling, multi-step agents, and structured output, with a unified API across model providers.
Works with OpenAI, Anthropic, Google, and any OpenAI-compatible provider. Framework helpers for React , Next.js , Svelte , and Nuxt. Handles the hard parts: streaming protocols, backpressure, and token-by-token rendering.

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