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Course overview

LLM Cost Engineering

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1 · Spending less on the same work

1Token economics of an agent fleet
2Prompt caching as system design
3Trimming and compacting context
4Batch, flex and fast tiers

2 · Changing the model, and governing the spend

5Cost-quality curves, routing and cascades
6Distilling into small models
7Self-hosting break-even
Exercise answers
- Answer: Build a serving cost calculator
- Answer: Benchmark an engine yourself
8Attribution, budgets and alerts

CapstoneCost-engineer an agent pipeline Reference implementation

Answers Lesson 7: Self-hosting break-even

Step-by-step answer

Core 60–90 min5 steps

Build a serving cost calculator

Back to the exercise

Previous answerDistil a clause tagger and measure the gap Next answer Benchmark an engine yourself

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