Beginner
🧠 Models — What they are, what they do, which to pick
The major model families in plain English. When to use Claude vs GPT vs Gemini vs open models, and why it actually matters.
There are dozens of AI models. They all promise the same things and they are not the same. This course teaches you the few categories that actually matter: frontier vs small, reasoning vs fast, multimodal vs text. You'll leave able to look at a task and pick the right model — and explain why.
What's inside
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1
The landscape
- Why models matter (and why most people pick wrong) 6 min Preview
- The frontier model tier (Claude, GPT, Gemini) 9 min
- Small, fast, cheap models (Haiku, Mini, Flash) 7 min
- Open-weight models (Llama, Qwen, Mistral) 8 min
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2
Picking the right one
- Reasoning vs speed: the real tradeoff 8 min
- Multimodal: when you actually need it 6 min
- A decision flowchart you can actually use 5 min