September 28, 2026
What people mean by “agent”
The word covers a tool call, a loop, and a person reviewing a draft. Those are not the same product.
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Notes
Plain words for real work.
A few notes on the words, the measurements, and the questions that show up when people put models into real work.
September 18, 2026
Context is the text the model can see
A larger window is not automatically a better request. Extra text costs money and can bury the instruction.
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September 7, 2026
Did the model change help?
Swap models only if you can name a real task that got better. A benchmark moving is not that list.
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August 26, 2026
Three questions before you pay for another model
Latency, a day of real traffic, and how often a person has to fix the output. Demos skip all three.
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