Equation 17 · OpenAI Codex as a Software-Engineering System: Models, Harnesses, and Evidence
What does this equation mean?
Read the formula alongside the article passage below. Each part has a deeper page with its role in the equation, the supporting passage and nearby citations.
the model’s query or action. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
Read it piece by piece
subscript
The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.
How to interpret it
Read this expression with the definitions, units, and assumptions supplied by the article.
What the article says around this equation
where is the model’s query or action and is a context budget. Two agents using the same model can behave differently because their observation functions expose different facts, truncate different histories, or describe tools differently.
Sources cited in the article section
These citations give research context. Read each source to check which claims it supports.
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