Choosing a model for the job

The largest model is rarely the right default. Match capability, latency, and price to what the specific step of your product needs.

What this lesson covers

• Weigh capability against latency and cost
• Route easy steps to a smaller, faster model
• Build an evaluation before committing to a choice

This lesson sits in LLM Fundamentals, part of Building AI Apps with LLMs. It assumes what came before it and leads directly into the next lesson in the module.