We Reduced AI Chatbot Latency by 30% with Streaming Responses and FastAPI 0.115

We Reduced AI Chatbot Latency by 30% with Streaming Responses and FastAPI 0.115 Latency is the silent killer of AI chatbot user experience. For our production LLM-powered support chatbot serving 10k+ daily active users, we measured average time-to-first-token (TTFT) at 2.8 seconds and total response time at 9.2 seconds for 500-token responses. Users were dropping off before the first word even appeared. Here’s how we cut overall latency by 30% using streaming responses and FastAPI 0.115. The Lat