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Equation 20 · Part 1 · Comparing Frontier Model Pricing Without Comparing Apples to Oranges

Symbol C_i

CiC_i
CiC_i

What this part means

CiC_i is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

CiC_i is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

Even a comparison that correctly measures CiC_i is not yet a capability comparison, which is the deeper reason a “cheapest model” headline usually asks the wrong question. Artificial Analysis, an independent benchmarking organisation, maintains a live Intelligence Index alongside pricing across several hundred models from every major vendor,…

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Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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Sources cited in the surrounding passage

These citations provide research context; check each source for the exact claim it supports.