Equation 7 · Part 1 · The Economics and Physical Limits of Running AI Agents at Scale
Symbol baro
What this part means
the call it.
Its job in the formula
baro is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol baro→Article meaning
Where the article explains it
The third is the step’s own output, call it , priced at the output rate, which is five times the input rate on every currently supported Claude tier, from Haiku 4.5 through Opus 5, and roughly six times on OpenAI’s GPT-5.6 family [ 1 , 7 ] .
The passage around this formula
Add , , and together and a single step is priced — which is exactly what a per-request cost estimate does, and exactly why it understates a loop. The fourth component, the one a single-step estimate cannot see, is everything the step has to carry forward from every step before it.
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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Sources cited in the article section
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