cff-version: 1.2.0 message: "If you use Pluto-2.1, please cite this release." title: "Pluto-2.1: A 1.7B Standalone Decision Model" authors: - name: "Omida AI" year: 2026 license: Apache-2.0 url: "https://huggingface.co/omida-ai/pluto-2.1" abstract: >- Pluto-2.1 is a 1.738B-parameter standalone typed decision model. It returns calibrated probability distributions for choice, noul, and score questions in one forward pass. It is initialized from Bosun 3.1 1.7B and Qwen3-1.7B, merged into a self-contained checkpoint, and evaluated head-to-head against d1-2B on Typed Decisions and a matched DecisionBench subset.