1What "Frontier" Means in AIThe AI frontier is the leading edge of what today’s best AI can do, and the real challenge is using that power wisely.Beginner 2Why Smaller, Specialized AI Is WinningThe best AI for a job is often not the biggest one, but the one trained to do that job well, quickly, and cheaply.Beginner 3The Hill-Climbing Machine: Data, Model, and HarnessMicrosoft improves AI through a repeating loop: better data, a better model, a better harness, and better tests.Beginner 4A Coding Helper That Does More With LessA beginner-friendly guide to Microsoft’s MAI coding model, a smaller helper for GitHub Copilot that aims to write useful code with less waste.Beginner 5From Code to Spreadsheets: Teaching One Model New WorkMicrosoft kept training one coding model until it became a strong Excel helper, showing that some AI skills can carry into new work.Beginner 6AI Trained on Your Own Work, Kept in Your WallsFrontier Tuning teaches an AI system your company’s real work while keeping the data, rules, and control inside your own boundary.Beginner