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Day 253: Cost Tracking & Token Budgets — Deep Dive
Learn Cost Tracking & Token Budgets through concepts & mental models, guided resources, practical work and a portfolio-ready outcome.
Learning objectives
Understand the topic
Explain Cost Tracking & Token Budgets clearly, connect it to the AI API Concepts phase, and identify one limitation or risk.
Apply the skill
Use LangChain (light) and OpenAI API to produce a small, reviewable result that demonstrates the concept.
Study plan and official resources
Portfolio practice
Streaming chat web app with cost meter and memory
Complete the work in a safe test environment, capture evidence, document decisions and record what you would improve in a second pass.