AI Latency Optimization 2026
Targets - Chat UX: <1s first token - Voice agent: <800ms - API: <2s - Batch: doesn't matter Techniques - Streaming chat - Parallel API calls - Edge deployment Cloudflare, Vercel - Smaller model first - Cached responses - Pre-compute embeddings Architecture - CDN for static - Edge function for routing - Regional databases - Async work in queue Model Choice - Haiku < Sonnet < Opus latency - Flash <…