AI Engineering in 41 Minutes: From Demo to Production

AI Engineering is one of the most important skills if you want to build real AI applications with LLMs, foundation models, RAG, agents, evaluations, and production systems. In this video, I break down the key ideas from Chip Huyen’s book AI Engineering and explain how AI apps move from simple demos to reliable products. ⏱️ TIMESTAMP: 00:00 Intro 00:30 The Big Idea 01:42 Why AI Engineering Exists Now 02:38 Demo vs Production AI 03:17 The Full AI Engineering Lifecycle 05:00 What Is a Foundation Model? 06:10 From Language Models to Foundation Models 07:18 Tokens and Self-Supervision 08:13 Why AI Outputs Change (Sampling) 10:03 Why Hallucinations Happen 12:28 Evaluation: Measuring What Matters 13:26 Why AI Evaluation Is Hard 15:02 Exact vs Subjective Evaluation 16:09 AI as a Judge 17:17 Evaluation System Design 18:10 Model Selection Is Not Just Leaderboards 19:20 Evaluation Pipeline for Production 20:20 Improving Quality: Prompts, Context & Guardrails 20:22 Prompt Engineering 24:26 Prompt Attacks and Prompt Injection 25:20 Guardrails System Design 26:24 Why Context Matters 27:24 RAG 31:05 Retrieval Methods: BM25, Embeddings, Hybrid 33:10 Improving RAG Quality 36:06 From RAG to Agents 37:46 Agent System Design This video is for data scientists, machine learning engineers, data analysts, software engineers, and anyone trying to understand how real AI systems are built beyond basic ChatGPT demos. The main topics covered: AI Engineering, LLMs, foundation models, RAG, agents, AI evaluation, hallucinations, prompt engineering, production AI systems, monitoring, feedback loops, model selection, AI apps, and how to think about building reliable AI products. Links mentioned: 📚 Book: AI Engineering by Chip Huyen Related video:    • ML Engineering in 45 minutes (Designing ML...   My AI portfolio: https://www.anasriad.com/ai-portfolio 📱 Connect: LinkedIn:   / riadanas   YouTube:    / @anas_riad   GitHub: https://github.com/anesriad Website: https://www.anasriad.com Upwork course: https://www.anasriad.com/upwork-course