Model Selection is Becoming Org Design: Structuring AI Workflows

every · x · 2026-07-31

Engineer Marcus Moretti suggests a new perspective on mapping Anthropic's model lineup to a corporate org chart: treating Fable as the CEO, Opus 5 as a senior engineer, and Sonnet 5 as a junior engineer or analyst.

The article notes that frontier models are shifting from expensive generalists to a 'mixture-of-models' architecture. By assigning distinct roles within a system—some orchestrating, some writing, some debugging—costs are optimized. This specialization routes routine tasks to cheaper models, preventing the waste of high-end resources.

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