I built a 20 kB React hook that doesn't care which AI you use — here's how streaming actually works

`--- cover image" width="800" height="541"> Most React AI chat libraries are secretly backend libraries. They stream directly from OpenAI, or through their own cloud, or via a framework-specific server adapter. The React hook is just a thin client on top of one particular provider. Switch from Claude to GPT-4? Rewrite the frontend. Migrate off Vercel? Rewrite the frontend. Add Groq for a faster path? Rewrite the frontend. But here's the thing: streaming AI chat is fundamentally just three events