2Bbase scale
Qwen3.5base model
3Choice / Score / Noul
Apachelisted license
Project fit
decider is an open System One-style reproduction built from Qwen3.5-2B-Base. It aims to give software bounded decisions and probabilities instead of parsed generated JSON.
Good uses
- Support routing and ticket assignment;
- Agent tool selection;
- Review gates and human escalation;
- Private or cost-sensitive decision services.
What to validate
Calibration
Check ECE, Brier, low-confidence cases and out-of-distribution samples.
Input boundaries
Test long state, option order, Chinese text and nested JSON.
Relationship to official Jev
This is an independent open model. It does not contain TypeSafe Jev weights, data or complete training method.