Equation 3 · Why Coding Agents Fail: Long-Horizon Reliability in OpenAI Codex
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the agent’s observation. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
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subscript
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where is environmental state, the agent’s observation, and its action. Task success is not a property of the final message. It is an externally evaluated predicate V(,g) over final state and goal g . System reliability under task distribution D is
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