Real‑time LLM interactions feel like they belong on websockets, but a Kinesis Data Stream gives you durable, auto‑scaling fan‑out with millisecond latency. In this guide you’ll see how to pipe Claude’s token stream through Kinesis and a Node.js 22 Lambda, turning a flaky WebSocket demo into an enterprise‑grade pipeline. Why Kinesis Beats WebSockets for LLM Streams When you ask Claude for a response, the model sends back tokens (tiny pieces of text) as they are generated. A WebS...