
Flagship, mid-tier, small: which AI model tier should you actually use?
Every vendor sells three or four sizes. How to match tier to task, and why most production traffic belongs on the middle…

How to read an AI benchmark without being fooled
Vendor charts always show the vendor winning. The handful of questions that separate a meaningful result from marketing.…

LLM API pricing explained: tokens, caching, batch and the cliffs
How per-million-token pricing works, why output costs more, and the four levers that cut a bill by half or more.…

Prompt injection explained: the attack every AI agent is exposed to
Why text that an AI reads can hijack what it does, why there is no complete fix, and the controls that actually reduce t…

What is a context window, and does a million tokens matter?
The context window is how much a model can read at once. Why it grew from 4K to 1M tokens, what it costs, and when it ac…

What is an AI agent? A plain-English explanation
An agent is AI that takes actions, not just answers. Here is what that means, why every company is suddenly announcing o…