Real-Time AI Product Feature

AI Chat Feature with Real-Time Streaming Overview We are building an AI‑powered chat assistant embedded in a large‑scale consumer application. Users submit prompts and receive completions that are displayed character‑by‑character (token‑by‑token) as they are generated by a large language model (LLM) backend. The feature must handle millions of concurrent users, each potentially generating multiple requests per minute, while keeping latency low and costs predictable. This…