How to Build a Chatbot 2026
Step-by-step production chatbot. Use Case Examples - Customer support tier 1 - Internal knowledge base - Lead qualification - Order status - HR FAQ Tech Stack 2026 - Frontend: React + Vercel AI SDK - API: Vercel Edge / Fly.io - LLM: Claude / OpenAI - Vector DB: pgvector / Pinecone - DB: Supabase / Postgres Step 1 — Define Scope Niche it: - Topic: SPECIFIC - Tone: BRAND VOICE - Refuse: OFF-TOPIC -…