Nace AI Open-Sources Drex 1.5: A 9B Decision Model That Scores Options, Not Text
Nace.AI has open-sourced Drex 1.5 , a 9B decision model for agents and backend workflows. The Drex 1.5 decision model does not write text. It reads a state and typed questions, then returns a probability for every option. Nace reports 58.08 on the public Decision Index 0.3.1 , the top score under 10B parameters. Weights are on Hugging Face, and a hosted version is live on OpenRouter . TL;DR Size: 8.95B parameters (dense), bf16 weights about 18 GB....
Nace.AI has open-sourced Drex 1.5 , a 9B decision model for agents and backend workflows. The Drex 1.5 decision model does not write text. It reads a state and typed questions, then returns a probability for every option. Nace reports 58.08 on the public Decision Index 0.3.1 , the top score under 10B parameters. Weights are on Hugging Face, and a hosted version is live on OpenRouter . TL;DR Size: 8.95B parameters (dense), bf16 weights about 18 GB....