Generate speech, transcribe audio, isolate and change voices with a unified API that works with leading AI providers like OpenAI, ElevenLabs and AssemblyAI.

Streamdown is built specifically to handle the unique requirements of streaming Markdown content from AI models, providing seamless formatting even with incomplete or unterminated Markdown blocks.

From the creators of Next.js, the Flags SDK is a free open-source library for implementing feature flags and A/B tests in your applications. Works with any flag provider or custom setup. Compatible with App Router, Pages Router, and Middleware.

Building applications with TypeScript means building applications for the web. AI SDK 5 is the first AI framework with a fully typed and highly customizable chat integration for React, Svelte, Vue and Angular.