Chen Wei

Curriculum coverage by module

First-attempt mastery signal

Strong areas

• • Day 6 — Structured Outputs & JSON Schema
• • Day 7 — Model Selection & Cost Tradeoffs
• • Day 8 — Text Chunking Strategies
• • Day 9 — Embeddings & Semantic Similarity
• • Day 10 — Retrieval & Matching Engine
• • Day 17 — Tool Calling Fundamentals

Needs deeper validation

• • Day 2 — Python for AI Systems (4 attempts)
• • Day 3 — APIs, Async & Streaming Basics (4 attempts)
• • Day 4 — How LLMs Work: Tokens & Context (4 attempts)
• • Day 12 — Metadata Filtering & Hybrid Search (4 attempts)
• • Day 20 — Retrieval Agents (4 attempts)
• • Day 28 — Observability & Tracing (4 attempts)

Unvalidated (skipped)

• • Day 5 — Prompt Engineering Patterns
• • Day 19 — Memory & State Management

Skipped missions are explored, not assumed weak.