Choosing a model
Teams often pick the biggest model for everything, then wonder why the bill is huge and the app feels slow. Others pick the cheapest and quietly ship wrong answers. The right choice is a measurement, not a guess.
In this lesson you'll learn to
- Compare models on quality, latency, cost and context, and know what each costs you.
- Pick a model by testing candidates on your own examples, not on leaderboards.
- Route easy requests to a small model and hard ones to a large model.
- Add fallbacks and pin versions so one provider's outage or model change doesn't break your app.
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