AI Engineer · Stage 1 of 5
Foundation
Plain-English mental models — what an LLM is, how embeddings work, why RAG exists. Five concept pages, no code.
In this stage
- ConceptWhat is an AI Engineer
- ProblemAI Engineer vs ML Engineer vs Data Scientist — Role Distinctioneasy
- ConceptWhat is an LLM — Tokens, Context Window, and Inference
- ProblemToken and Context Window Capacity Planningeasy
- ConceptWhat is an Embedding and Why It Matters
- ProblemEmbedding Similarity — Semantic Reasoningeasy
- ConceptWhat is a Vector Database
- Boss · Submit with a score ≥75 to unlock the next stageVector Database Architecture — Conceptual Questionseasy