Decision 3.0 introduces an open, multimodal decision model family ranging from 0.6B to 27B parameters, achieving top rank on the Jev Decision Index leaderboards. Built on Qwen3.5 and Qwen3.8‑27B backbones with integrated vision encoders, it supports choice, yes/no, and score decision types, outputting probabilities without generating text. The models are released under Apache‑2.0 license.