Beginners

Billions of parameters. Trillions of parameters. Everyone throws these numbers around like they mean something. Here’s what they actually are. 🎛️ A Parameter is Just a Dial Imagine a million tiny dials inside the model. During training, each dial gets turned slightly — up or down — until the model gets better at predicting the right answer. When training is done? The dials are frozen. That’s your model. 🚲 Think of it Like Learning to Ride a Bike ...

Not all AI is created equal. Some feel instant. Some feel like watching paint dry. Here’s what’s actually going on under the hood. ⏱️ TTFT — Time To First Token How fast does the first word appear? You: "Explain quantum computing" Bad TTFT: [........] ← 3 seconds of silence 😬 Good TTFT: [█ ] ← first word appears fast 😊 This is what makes a model feel responsive. Even if the full answer takes time, a fast TTFT makes it feel alive. ...