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Guide

Modern AI Guide

Become an AI engineer in 2026 — first API call to agents in production.

A beginner-friendly 2026 guide to how LLM-powered and agentic systems are actually built, evaluated, shipped, and operated. Read it front to back and finish job-ready.

LLMsAgentsEvalsDocusaurus
tonyx1998.github.io/modern-ai-guide

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What makes it worth your time

  • 18 chapters in 7 parts — foundations, lifecycle, the modern AI stack, evals, safety, fine-tuning, and case studies of real shipped products.
  • Interactive checkpoint quizzes and runnable in-browser Python challenges (Pyodide) so you practice the code, not just read it.
  • Spaced-repetition review deck (FSRS) plus a bespoke house-style diagram engine.