What is an AI agent?
A model that can take actions in a loop — and the word the industry has worn out.
Topic
Productivity and business tooling, evaluated for what it changes day to day.
7 articles
A model that can take actions in a loop — and the word the industry has worn out.
Paying once for the part of your prompt that never changes — and the write fee nobody mentions.
Giving the model the documents instead of hoping it memorised them.
Four levers, ranked by how much they actually save. Switching vendor is not one of them.
Output costs five to six times more than input — at every vendor, at every tier. That ratio, not the headline price, is what decides your bill.
Google gives away every Flash text model and an older Pro. It does not give away the current Pro, or a single image.
Audio tokens cost eight times what text tokens cost. But the cache discount on them is close to 99%.