AI Academy
How AI works, what it costs, and how to get sharp answers from it. Twelve units. Each starts with a one-minute read. Go deeper when you want to.
Beginner


Beginner1 min read
What the AI actually knows
Language models predict text. They don’t look facts up. Start here.


Beginner1 min read
Tokens and credits, explained
Every message has a price. Here’s how the meter runs.


Beginner1 min read
Why models cost wildly different amounts
Some models cost a hundred times more to run than others. There are reasons.


Beginner1 min read
Same question, different answers
Models have personalities. Ask several, compare.
Intermediate


Intermediate1 min read
When the cheap model is the right model
Match the model to the job. Most questions don’t need a frontier model.


Intermediate1 min read
One good prompt beats twenty messages
Chatty back-and-forth is the most expensive way to use AI.


Intermediate1 min read
Why long chats drift and drain
Models have a working-memory limit. Use it well.


Intermediate1 min read
Tell it your system once
Preferences turn generic advice into advice about your room.
Expert


Expert1 min read
Trained on the noise
Marketing copy, forum wars, and SEO filler are in the training data.


Expert1 min read
Why the AI agrees with you
Leading questions get leading answers. Ask neutral.


Expert1 min read
Why language models fumble numbers
They predict text. They don’t calculate. Specs deserve better.


Expert1 min read
Why recommendations need a database
The model explains. The database knows. Together they recommend.