Model selection is a routing problem: match model size to task ambiguity, says Together

togethercompute · x · 2026-11-05

Together argues model selection is a routing problem: pick model size by how well-specified the task is. Scoped work like writing tests or renaming an API doesn't need your largest model—smaller models are faster and cheaper. Open-ended work like a framework upgrade or an auth refactor is where a larger model's reasoning pays off. The accompanying chart maps tasks along a well-specified to ambiguous spectrum.

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