Budget-Aware AI Design

Designing for budgets from day one.

What this chapter covers

Cost is a design constraint, not an afterthought. This chapter shows how to bake budgets into the architecture from day one — token budgets per request, cost SLOs per workflow, and cost dashboards that surface regressions before the finance team does.

Key takeaways

How to set a cost SLO for an agent workflow
Per-request token budgets and how to enforce them
Caching strategies that actually save money in agentic systems
How to catch cost regressions in CI instead of on the invoice
The budget conversation to have with product before you build

Why it matters

Budget-aware design is the difference between an AI feature that ships and one that gets killed by its own bill.

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The Context Advantage is a living guide for the agentic era. Chapters 1 – 3 are free. Everything else, plus future updates, templates, and resources, is included with the lifetime edition.

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Browse the full table of contents, or explore the four pillars — Context, Control, Cost, and Choice.