AI Engineering · 100-level
Context Engineering & Cost Basics
AIE-1032 creditscorebadge: context-thinkerprereqs: AIE-102
Start this course — free
Earn the context-thinker credential
What's inside
Sections & lessons
01
Context window mechanics
- The context window as a fillable, finite containerconcept45 min
02
Lost-in-the-middle & context rot
- Burying a fact and watching the model forget itconcept60 min
03
Cost basics & token pricing
- Turning a token count into a real dollar figureconcept60 min
04
Lab + eval-gate: cost-aware context budget
- Pack a fixed context bar without evicting the answer (Context Thinker badge)concept120 min
Learn it from the inside
This module's playgrounds
AI Engineering
Next in this path
Where this specialization goes from here — in (level, code) order.
Vocabulary
Key concepts in this course
Compare related approaches
Optional · watch & try
Go deeper, elsewhere
Hand-picked public explainers and open tools — always optional, never required, never graded.
Context Engineering Explained (5 Practical Tips)Practical tactics for curating what actually goes into the context window What Is Context Engineering? (Quick LLM Explanation)60-second framing of context engineering vs. prompt engineering · ~1 minContext Engineering: The Next LLM FrontierWhy context curation matters more than prompt wording at scale Context Window VisualizerFills a visual budget bar as you paste text, showing context-window consumption live TiktokenizerReuse to see exactly how many tokens a context payload costs before sending it
This module ends in a gate you can fail.
That's what makes passing it mean something. Sit Chuun, get placed, and start earning.