Nace.AI has open‑sourced Drex 1.5. The model has 9 billion parameters and scores each possible answer in a single forward pass. It can read up to 128 K tokens and achieved a 58.08 score on Decision Index 0.3.1. The code is now publicly available for anyone to download and run.
Why it matters
Developers can build apps that pick the best option directly, cutting the steps needed for text‑based prompting.