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Nace AI open-sources Drex 1.5 decision model

Nace.AI released Drex 1.5, a 9‑billion‑parameter model that returns probabilities for each option in one pass and handles up to 128 K tokens.

NoteBy Published by Oossa: 1 min read

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.

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