Mammoth-1 and Elephant-1
Base Labs released mammoth-1 (27B) and elephant-1 (9B), open-source decision models that return probabilities and structured choices, yes/no answers, or scores instead of free-form text. They are available through Baseten Model APIs.
For buildersCompare them on a small set of your own routing, classification, or rubric-scoring cases, and set a review threshold for uncertain outputs before automating decisions.