ai

Type-safe, provider-agnostic TypeScript AI SDK for streaming chat, tool calling, agents, and multimodal apps across OpenAI, Anthropic, Gemini, React, Vue, Svelte, and Solid. Maintained by TanStack on GitHub, where it has earned 3,073 stars from the community.

It's actively developed around ai, ai-agents, ai-sdk, and is a solid reference for anyone building with these tools.